Finding the Fourth Proportional to 7,764.97, 11,581.11 and 6,602.62
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Solution
The fourth proportional to 7,764.97, 11,581.11 and 6,602.62 is: 9,847.52
Step by Step Solution
- Step 1: Write the proportion equation
7,764.97 : 11,581.11 = 6,602.62 : x - Step 2: Convert to fraction form
7,764.97/11,581.11 = 6,602.62/x - Step 3: Cross multiply
7,764.97x = 11,581.11 × 6,602.62 - Step 4: Simplify right side
7,764.97x = 76,465,668.51 - Step 5: Solve for x
x = 76,465,668.51/7,764.97 - Step 6: Final answer
x = 9,847.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.