Home / 8,512.11-12,757.07-4,348.61

Finding the Fourth Proportional to 8,512.11, 12,757.07 and 4,348.61

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Solution

The fourth proportional to 8,512.11, 12,757.07 and 4,348.61 is: 6,517.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.11 : 12,757.07 = 4,348.61 : x
  2. Step 2: Convert to fraction form
    8,512.11/12,757.07 = 4,348.61/x
  3. Step 3: Cross multiply
    8,512.11x = 12,757.07 × 4,348.61
  4. Step 4: Simplify right side
    8,512.11x = 55,475,517.10
  5. Step 5: Solve for x
    x = 55,475,517.10/8,512.11
  6. Step 6: Final answer
    x = 6,517.25

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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.