Proportions Worksheet

Round the answers to 1 decimal digit.

1 a.
d   =   15
42 78








1 b.
86   =   x
98 6








2 a.
c   =   93
45 81








2 b.
37   =   a
66 2








3 a.
99   =   b
18 45








3 b.
85   =   70
56 b








4 a.
x   =   39
52 94








4 b.
c   =   66
67 18








5 a.
50   =   77
42 x








5 b.
85   =   98
a 93








6 a.
b   =   47
45 77








6 b.
a   =   11
76 53








7 a.
59   =   x
55 80








7 b.
d   =   12
49 44








8 a.
63   =   d
48 20








8 b.
71   =   b
53 60








9 a.
89   =   8
d 67








9 b.
54   =   c
6 61








10 a.
46   =   56
42 x








10 b.
35   =   38
c 50








Page 2

Answer Key

Answers are rounded to 1 decimal digit.

1 a. d = 8.1
1 b. x = 5.3
2 a. c = 51.7
2 b. a = 1.1
3 a. b = 247.5
3 b. b = 46.1
4 a. x = 21.6
4 b. c = 245.7
5 a. x = 64.7
5 b. a = 80.7
6 a. b = 27.5
6 b. a = 15.8
7 a. x = 85.8
7 b. d = 13.4
8 a. d = 26.3
8 b. b = 80.4
9 a. d = 745.4
9 b. c = 549
10 a. x = 51.1
10 b. c = 46.1


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