Home / 8,517.13-12,757.23-4,125.38

Finding the Fourth Proportional to 8,517.13, 12,757.23 and 4,125.38

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Solution

The fourth proportional to 8,517.13, 12,757.23 and 4,125.38 is: 6,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.13 : 12,757.23 = 4,125.38 : x
  2. Step 2: Convert to fraction form
    8,517.13/12,757.23 = 4,125.38/x
  3. Step 3: Cross multiply
    8,517.13x = 12,757.23 × 4,125.38
  4. Step 4: Simplify right side
    8,517.13x = 52,628,357.71
  5. Step 5: Solve for x
    x = 52,628,357.71/8,517.13
  6. Step 6: Final answer
    x = 6,179.12

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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.