Home / 7,481.23-11,221.85-2,287.06

Finding the Fourth Proportional to 7,481.23, 11,221.85 and 2,287.06

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Solution

The fourth proportional to 7,481.23, 11,221.85 and 2,287.06 is: 3,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.23 : 11,221.85 = 2,287.06 : x
  2. Step 2: Convert to fraction form
    7,481.23/11,221.85 = 2,287.06/x
  3. Step 3: Cross multiply
    7,481.23x = 11,221.85 × 2,287.06
  4. Step 4: Simplify right side
    7,481.23x = 25,665,044.26
  5. Step 5: Solve for x
    x = 25,665,044.26/7,481.23
  6. Step 6: Final answer
    x = 3,430.59

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Similar ratio
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1.5x scale

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.