Home / 8,761.53-13,142.93-2,757.09

Finding the Fourth Proportional to 8,761.53, 13,142.93 and 2,757.09

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Solution

The fourth proportional to 8,761.53, 13,142.93 and 2,757.09 is: 4,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.53 : 13,142.93 = 2,757.09 : x
  2. Step 2: Convert to fraction form
    8,761.53/13,142.93 = 2,757.09/x
  3. Step 3: Cross multiply
    8,761.53x = 13,142.93 × 2,757.09
  4. Step 4: Simplify right side
    8,761.53x = 36,236,227.09
  5. Step 5: Solve for x
    x = 36,236,227.09/8,761.53
  6. Step 6: Final answer
    x = 4,135.83

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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.