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Finding the Fourth Proportional to 8,598.38, 12,897.56 and 2,755.15

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Solution

The fourth proportional to 8,598.38, 12,897.56 and 2,755.15 is: 4,132.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.38 : 12,897.56 = 2,755.15 : x
  2. Step 2: Convert to fraction form
    8,598.38/12,897.56 = 2,755.15/x
  3. Step 3: Cross multiply
    8,598.38x = 12,897.56 × 2,755.15
  4. Step 4: Simplify right side
    8,598.38x = 35,534,687.08
  5. Step 5: Solve for x
    x = 35,534,687.08/8,598.38
  6. Step 6: Final answer
    x = 4,132.72

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Similar ratio
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1.5x scale

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.