Home / 7,939.14-11,908.56-2,744.88

Finding the Fourth Proportional to 7,939.14, 11,908.56 and 2,744.88

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Solution

The fourth proportional to 7,939.14, 11,908.56 and 2,744.88 is: 4,117.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.14 : 11,908.56 = 2,744.88 : x
  2. Step 2: Convert to fraction form
    7,939.14/11,908.56 = 2,744.88/x
  3. Step 3: Cross multiply
    7,939.14x = 11,908.56 × 2,744.88
  4. Step 4: Simplify right side
    7,939.14x = 32,687,568.17
  5. Step 5: Solve for x
    x = 32,687,568.17/7,939.14
  6. Step 6: Final answer
    x = 4,117.27

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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.