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Finding the Fourth Proportional to 8,672.48, 13,010 and 2,515.68

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Solution

The fourth proportional to 8,672.48, 13,010 and 2,515.68 is: 3,773.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672.48 : 13,010 = 2,515.68 : x
  2. Step 2: Convert to fraction form
    8,672.48/13,010 = 2,515.68/x
  3. Step 3: Cross multiply
    8,672.48x = 13,010 × 2,515.68
  4. Step 4: Simplify right side
    8,672.48x = 32,728,996.80
  5. Step 5: Solve for x
    x = 32,728,996.80/8,672.48
  6. Step 6: Final answer
    x = 3,773.89

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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.