Finding the Fourth Proportional to 10,853.20, 16,282.88 and 3,062.08
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Solution
The fourth proportional to 10,853.20, 16,282.88 and 3,062.08 is: 4,593.99
Step by Step Solution
- Step 1: Write the proportion equation
10,853.20 : 16,282.88 = 3,062.08 : x - Step 2: Convert to fraction form
10,853.20/16,282.88 = 3,062.08/x - Step 3: Cross multiply
10,853.20x = 16,282.88 × 3,062.08 - Step 4: Simplify right side
10,853.20x = 49,859,481.19 - Step 5: Solve for x
x = 49,859,481.19/10,853.20 - Step 6: Final answer
x = 4,593.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.