Home / 8,372.20-12,541.68-6,294.54

Finding the Fourth Proportional to 8,372.20, 12,541.68 and 6,294.54

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Solution

The fourth proportional to 8,372.20, 12,541.68 and 6,294.54 is: 9,429.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.20 : 12,541.68 = 6,294.54 : x
  2. Step 2: Convert to fraction form
    8,372.20/12,541.68 = 6,294.54/x
  3. Step 3: Cross multiply
    8,372.20x = 12,541.68 × 6,294.54
  4. Step 4: Simplify right side
    8,372.20x = 78,944,106.43
  5. Step 5: Solve for x
    x = 78,944,106.43/8,372.20
  6. Step 6: Final answer
    x = 9,429.31

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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.