Home / 8,778.36-13,167.39-2,204.61

Finding the Fourth Proportional to 8,778.36, 13,167.39 and 2,204.61

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Solution

The fourth proportional to 8,778.36, 13,167.39 and 2,204.61 is: 3,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.36 : 13,167.39 = 2,204.61 : x
  2. Step 2: Convert to fraction form
    8,778.36/13,167.39 = 2,204.61/x
  3. Step 3: Cross multiply
    8,778.36x = 13,167.39 × 2,204.61
  4. Step 4: Simplify right side
    8,778.36x = 29,028,959.67
  5. Step 5: Solve for x
    x = 29,028,959.67/8,778.36
  6. Step 6: Final answer
    x = 3,306.88

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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.