Home / 7,934.44-11,901.90-2,387.80

Finding the Fourth Proportional to 7,934.44, 11,901.90 and 2,387.80

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Solution

The fourth proportional to 7,934.44, 11,901.90 and 2,387.80 is: 3,581.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.44 : 11,901.90 = 2,387.80 : x
  2. Step 2: Convert to fraction form
    7,934.44/11,901.90 = 2,387.80/x
  3. Step 3: Cross multiply
    7,934.44x = 11,901.90 × 2,387.80
  4. Step 4: Simplify right side
    7,934.44x = 28,419,356.82
  5. Step 5: Solve for x
    x = 28,419,356.82/7,934.44
  6. Step 6: Final answer
    x = 3,581.77

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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.