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Finding the Fourth Proportional to 8,830.62, 13,245.48 and 3,281.82

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Solution

The fourth proportional to 8,830.62, 13,245.48 and 3,281.82 is: 4,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.62 : 13,245.48 = 3,281.82 : x
  2. Step 2: Convert to fraction form
    8,830.62/13,245.48 = 3,281.82/x
  3. Step 3: Cross multiply
    8,830.62x = 13,245.48 × 3,281.82
  4. Step 4: Simplify right side
    8,830.62x = 43,469,281.17
  5. Step 5: Solve for x
    x = 43,469,281.17/8,830.62
  6. Step 6: Final answer
    x = 4,922.56

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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.