Home / 7,747.43-11,621.91-2,481.12

Finding the Fourth Proportional to 7,747.43, 11,621.91 and 2,481.12

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Solution

The fourth proportional to 7,747.43, 11,621.91 and 2,481.12 is: 3,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.43 : 11,621.91 = 2,481.12 : x
  2. Step 2: Convert to fraction form
    7,747.43/11,621.91 = 2,481.12/x
  3. Step 3: Cross multiply
    7,747.43x = 11,621.91 × 2,481.12
  4. Step 4: Simplify right side
    7,747.43x = 28,835,282.82
  5. Step 5: Solve for x
    x = 28,835,282.82/7,747.43
  6. Step 6: Final answer
    x = 3,721.92

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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.