Home / 7,398.24-11,093.04-2,781.60

Finding the Fourth Proportional to 7,398.24, 11,093.04 and 2,781.60

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Solution

The fourth proportional to 7,398.24, 11,093.04 and 2,781.60 is: 4,170.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.24 : 11,093.04 = 2,781.60 : x
  2. Step 2: Convert to fraction form
    7,398.24/11,093.04 = 2,781.60/x
  3. Step 3: Cross multiply
    7,398.24x = 11,093.04 × 2,781.60
  4. Step 4: Simplify right side
    7,398.24x = 30,856,400.06
  5. Step 5: Solve for x
    x = 30,856,400.06/7,398.24
  6. Step 6: Final answer
    x = 4,170.78

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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.