Home / 8,432.22-12,641.19-3,498.78

Finding the Fourth Proportional to 8,432.22, 12,641.19 and 3,498.78

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Solution

The fourth proportional to 8,432.22, 12,641.19 and 3,498.78 is: 5,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.22 : 12,641.19 = 3,498.78 : x
  2. Step 2: Convert to fraction form
    8,432.22/12,641.19 = 3,498.78/x
  3. Step 3: Cross multiply
    8,432.22x = 12,641.19 × 3,498.78
  4. Step 4: Simplify right side
    8,432.22x = 44,228,742.75
  5. Step 5: Solve for x
    x = 44,228,742.75/8,432.22
  6. Step 6: Final answer
    x = 5,245.21

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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.