Home / 8,342.02-12,508.17-3,148.30

Finding the Fourth Proportional to 8,342.02, 12,508.17 and 3,148.30

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Solution

The fourth proportional to 8,342.02, 12,508.17 and 3,148.30 is: 4,720.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.02 : 12,508.17 = 3,148.30 : x
  2. Step 2: Convert to fraction form
    8,342.02/12,508.17 = 3,148.30/x
  3. Step 3: Cross multiply
    8,342.02x = 12,508.17 × 3,148.30
  4. Step 4: Simplify right side
    8,342.02x = 39,379,471.61
  5. Step 5: Solve for x
    x = 39,379,471.61/8,342.02
  6. Step 6: Final answer
    x = 4,720.62

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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.