Home / 5,765.43-7,956.42-3,247.68

Finding the Fourth Proportional to 5,765.43, 7,956.42 and 3,247.68

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Solution

The fourth proportional to 5,765.43, 7,956.42 and 3,247.68 is: 4,481.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.43 : 7,956.42 = 3,247.68 : x
  2. Step 2: Convert to fraction form
    5,765.43/7,956.42 = 3,247.68/x
  3. Step 3: Cross multiply
    5,765.43x = 7,956.42 × 3,247.68
  4. Step 4: Simplify right side
    5,765.43x = 25,839,906.11
  5. Step 5: Solve for x
    x = 25,839,906.11/5,765.43
  6. Step 6: Final answer
    x = 4,481.87

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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.