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Finding the Fourth Proportional to 8,757, 13,140.97 and 3,562.88

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Solution

The fourth proportional to 8,757, 13,140.97 and 3,562.88 is: 5,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757 : 13,140.97 = 3,562.88 : x
  2. Step 2: Convert to fraction form
    8,757/13,140.97 = 3,562.88/x
  3. Step 3: Cross multiply
    8,757x = 13,140.97 × 3,562.88
  4. Step 4: Simplify right side
    8,757x = 46,819,624.58
  5. Step 5: Solve for x
    x = 46,819,624.58/8,757
  6. Step 6: Final answer
    x = 5,346.54

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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.