Home / 9,171.28-13,753.38-3,247.07

Finding the Fourth Proportional to 9,171.28, 13,753.38 and 3,247.07

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Solution

The fourth proportional to 9,171.28, 13,753.38 and 3,247.07 is: 4,869.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.28 : 13,753.38 = 3,247.07 : x
  2. Step 2: Convert to fraction form
    9,171.28/13,753.38 = 3,247.07/x
  3. Step 3: Cross multiply
    9,171.28x = 13,753.38 × 3,247.07
  4. Step 4: Simplify right side
    9,171.28x = 44,658,131.01
  5. Step 5: Solve for x
    x = 44,658,131.01/9,171.28
  6. Step 6: Final answer
    x = 4,869.34

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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.