Home / 8,788.20-13,179.12-2,943.46

Finding the Fourth Proportional to 8,788.20, 13,179.12 and 2,943.46

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Solution

The fourth proportional to 8,788.20, 13,179.12 and 2,943.46 is: 4,414.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.20 : 13,179.12 = 2,943.46 : x
  2. Step 2: Convert to fraction form
    8,788.20/13,179.12 = 2,943.46/x
  3. Step 3: Cross multiply
    8,788.20x = 13,179.12 × 2,943.46
  4. Step 4: Simplify right side
    8,788.20x = 38,792,212.56
  5. Step 5: Solve for x
    x = 38,792,212.56/8,788.20
  6. Step 6: Final answer
    x = 4,414.12

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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.