Home / 8,517.20-12,761.08-6,039.92

Finding the Fourth Proportional to 8,517.20, 12,761.08 and 6,039.92

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Solution

The fourth proportional to 8,517.20, 12,761.08 and 6,039.92 is: 9,049.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.20 : 12,761.08 = 6,039.92 : x
  2. Step 2: Convert to fraction form
    8,517.20/12,761.08 = 6,039.92/x
  3. Step 3: Cross multiply
    8,517.20x = 12,761.08 × 6,039.92
  4. Step 4: Simplify right side
    8,517.20x = 77,075,902.31
  5. Step 5: Solve for x
    x = 77,075,902.31/8,517.20
  6. Step 6: Final answer
    x = 9,049.44

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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.