Home / 8,531.28-12,793.32-2,982.96

Finding the Fourth Proportional to 8,531.28, 12,793.32 and 2,982.96

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Solution

The fourth proportional to 8,531.28, 12,793.32 and 2,982.96 is: 4,473.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.28 : 12,793.32 = 2,982.96 : x
  2. Step 2: Convert to fraction form
    8,531.28/12,793.32 = 2,982.96/x
  3. Step 3: Cross multiply
    8,531.28x = 12,793.32 × 2,982.96
  4. Step 4: Simplify right side
    8,531.28x = 38,161,961.83
  5. Step 5: Solve for x
    x = 38,161,961.83/8,531.28
  6. Step 6: Final answer
    x = 4,473.18

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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.