2 years ago

In the following problem, the ratios are directly proportional. Find the missing variable.

Mathematics

1 answer:

KATRIN_1 [288]2 years ago

7 0

Answer:

x1 = 3

Step-by-step explanation:

first set up the proportion (write as fractions):

(y1/x1) = (y2/x2)

then fill in the variables:

4/x1 = 8/6

now cross multiply:

8 • x1 = 6 • 4

simple algebra:

8 • x1 = 24

x1 = 24/8

x1 = 3

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