Home / 9,419.44-12,997.92-5,227.42

Finding the Fourth Proportional to 9,419.44, 12,997.92 and 5,227.42

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Solution

The fourth proportional to 9,419.44, 12,997.92 and 5,227.42 is: 7,213.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.44 : 12,997.92 = 5,227.42 : x
  2. Step 2: Convert to fraction form
    9,419.44/12,997.92 = 5,227.42/x
  3. Step 3: Cross multiply
    9,419.44x = 12,997.92 × 5,227.42
  4. Step 4: Simplify right side
    9,419.44x = 67,945,586.97
  5. Step 5: Solve for x
    x = 67,945,586.97/9,419.44
  6. Step 6: Final answer
    x = 7,213.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.