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Finding the Fourth Proportional to 8,898.78, 13,346.10 and 3,352.68

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Solution

The fourth proportional to 8,898.78, 13,346.10 and 3,352.68 is: 5,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.78 : 13,346.10 = 3,352.68 : x
  2. Step 2: Convert to fraction form
    8,898.78/13,346.10 = 3,352.68/x
  3. Step 3: Cross multiply
    8,898.78x = 13,346.10 × 3,352.68
  4. Step 4: Simplify right side
    8,898.78x = 44,745,202.55
  5. Step 5: Solve for x
    x = 44,745,202.55/8,898.78
  6. Step 6: Final answer
    x = 5,028.24

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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.