Home / 5,183.28-7,767.96-2,839.76

Finding the Fourth Proportional to 5,183.28, 7,767.96 and 2,839.76

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Solution

The fourth proportional to 5,183.28, 7,767.96 and 2,839.76 is: 4,255.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.28 : 7,767.96 = 2,839.76 : x
  2. Step 2: Convert to fraction form
    5,183.28/7,767.96 = 2,839.76/x
  3. Step 3: Cross multiply
    5,183.28x = 7,767.96 × 2,839.76
  4. Step 4: Simplify right side
    5,183.28x = 22,059,142.09
  5. Step 5: Solve for x
    x = 22,059,142.09/5,183.28
  6. Step 6: Final answer
    x = 4,255.83

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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.