Home / 7,431.22-11,144.16-3,481.80

Finding the Fourth Proportional to 7,431.22, 11,144.16 and 3,481.80

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Solution

The fourth proportional to 7,431.22, 11,144.16 and 3,481.80 is: 5,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.22 : 11,144.16 = 3,481.80 : x
  2. Step 2: Convert to fraction form
    7,431.22/11,144.16 = 3,481.80/x
  3. Step 3: Cross multiply
    7,431.22x = 11,144.16 × 3,481.80
  4. Step 4: Simplify right side
    7,431.22x = 38,801,736.29
  5. Step 5: Solve for x
    x = 38,801,736.29/7,431.22
  6. Step 6: Final answer
    x = 5,221.45

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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.