Home / 7,955.25-11,933.97-2,691.78

Finding the Fourth Proportional to 7,955.25, 11,933.97 and 2,691.78

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Solution

The fourth proportional to 7,955.25, 11,933.97 and 2,691.78 is: 4,038.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.25 : 11,933.97 = 2,691.78 : x
  2. Step 2: Convert to fraction form
    7,955.25/11,933.97 = 2,691.78/x
  3. Step 3: Cross multiply
    7,955.25x = 11,933.97 × 2,691.78
  4. Step 4: Simplify right side
    7,955.25x = 32,123,621.77
  5. Step 5: Solve for x
    x = 32,123,621.77/7,955.25
  6. Step 6: Final answer
    x = 4,038.04

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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.