Home / 8,788.70-13,179.87-2,943.96

Finding the Fourth Proportional to 8,788.70, 13,179.87 and 2,943.96

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Solution

The fourth proportional to 8,788.70, 13,179.87 and 2,943.96 is: 4,414.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.70 : 13,179.87 = 2,943.96 : x
  2. Step 2: Convert to fraction form
    8,788.70/13,179.87 = 2,943.96/x
  3. Step 3: Cross multiply
    8,788.70x = 13,179.87 × 2,943.96
  4. Step 4: Simplify right side
    8,788.70x = 38,801,010.09
  5. Step 5: Solve for x
    x = 38,801,010.09/8,788.70
  6. Step 6: Final answer
    x = 4,414.88

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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.