Home / 8,515.60-12,773.38-2,672.66

Finding the Fourth Proportional to 8,515.60, 12,773.38 and 2,672.66

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Solution

The fourth proportional to 8,515.60, 12,773.38 and 2,672.66 is: 4,008.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.60 : 12,773.38 = 2,672.66 : x
  2. Step 2: Convert to fraction form
    8,515.60/12,773.38 = 2,672.66/x
  3. Step 3: Cross multiply
    8,515.60x = 12,773.38 × 2,672.66
  4. Step 4: Simplify right side
    8,515.60x = 34,138,901.79
  5. Step 5: Solve for x
    x = 34,138,901.79/8,515.60
  6. Step 6: Final answer
    x = 4,008.98

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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.