Home / 8,432.76-12,646.96-2,508.28

Finding the Fourth Proportional to 8,432.76, 12,646.96 and 2,508.28

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Solution

The fourth proportional to 8,432.76, 12,646.96 and 2,508.28 is: 3,761.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.76 : 12,646.96 = 2,508.28 : x
  2. Step 2: Convert to fraction form
    8,432.76/12,646.96 = 2,508.28/x
  3. Step 3: Cross multiply
    8,432.76x = 12,646.96 × 2,508.28
  4. Step 4: Simplify right side
    8,432.76x = 31,722,116.83
  5. Step 5: Solve for x
    x = 31,722,116.83/8,432.76
  6. Step 6: Final answer
    x = 3,761.77

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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.