Home / 8,432.29-12,651.27-3,755.49

Finding the Fourth Proportional to 8,432.29, 12,651.27 and 3,755.49

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Solution

The fourth proportional to 8,432.29, 12,651.27 and 3,755.49 is: 5,634.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.29 : 12,651.27 = 3,755.49 : x
  2. Step 2: Convert to fraction form
    8,432.29/12,651.27 = 3,755.49/x
  3. Step 3: Cross multiply
    8,432.29x = 12,651.27 × 3,755.49
  4. Step 4: Simplify right side
    8,432.29x = 47,511,717.97
  5. Step 5: Solve for x
    x = 47,511,717.97/8,432.29
  6. Step 6: Final answer
    x = 5,634.50

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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.