Home / 8,687.44-13,027.56-3,491.92

Finding the Fourth Proportional to 8,687.44, 13,027.56 and 3,491.92

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Solution

The fourth proportional to 8,687.44, 13,027.56 and 3,491.92 is: 5,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687.44 : 13,027.56 = 3,491.92 : x
  2. Step 2: Convert to fraction form
    8,687.44/13,027.56 = 3,491.92/x
  3. Step 3: Cross multiply
    8,687.44x = 13,027.56 × 3,491.92
  4. Step 4: Simplify right side
    8,687.44x = 45,491,197.32
  5. Step 5: Solve for x
    x = 45,491,197.32/8,687.44
  6. Step 6: Final answer
    x = 5,236.43

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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.