Home / 8,167.25-12,249.46-3,489.91

Finding the Fourth Proportional to 8,167.25, 12,249.46 and 3,489.91

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Solution

The fourth proportional to 8,167.25, 12,249.46 and 3,489.91 is: 5,234.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.25 : 12,249.46 = 3,489.91 : x
  2. Step 2: Convert to fraction form
    8,167.25/12,249.46 = 3,489.91/x
  3. Step 3: Cross multiply
    8,167.25x = 12,249.46 × 3,489.91
  4. Step 4: Simplify right side
    8,167.25x = 42,749,486.69
  5. Step 5: Solve for x
    x = 42,749,486.69/8,167.25
  6. Step 6: Final answer
    x = 5,234.26

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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.