Home / 5,481.42-7,565.10-3,091.88

Finding the Fourth Proportional to 5,481.42, 7,565.10 and 3,091.88

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Solution

The fourth proportional to 5,481.42, 7,565.10 and 3,091.88 is: 4,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.42 : 7,565.10 = 3,091.88 : x
  2. Step 2: Convert to fraction form
    5,481.42/7,565.10 = 3,091.88/x
  3. Step 3: Cross multiply
    5,481.42x = 7,565.10 × 3,091.88
  4. Step 4: Simplify right side
    5,481.42x = 23,390,418.91
  5. Step 5: Solve for x
    x = 23,390,418.91/5,481.42
  6. Step 6: Final answer
    x = 4,267.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.