Home / 8,349.18-12,508.02-6,491.29

Finding the Fourth Proportional to 8,349.18, 12,508.02 and 6,491.29

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Solution

The fourth proportional to 8,349.18, 12,508.02 and 6,491.29 is: 9,724.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.18 : 12,508.02 = 6,491.29 : x
  2. Step 2: Convert to fraction form
    8,349.18/12,508.02 = 6,491.29/x
  3. Step 3: Cross multiply
    8,349.18x = 12,508.02 × 6,491.29
  4. Step 4: Simplify right side
    8,349.18x = 81,193,177.33
  5. Step 5: Solve for x
    x = 81,193,177.33/8,349.18
  6. Step 6: Final answer
    x = 9,724.69

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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.