Home / 5,183.38-7,769.71-2,407.79

Finding the Fourth Proportional to 5,183.38, 7,769.71 and 2,407.79

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Solution

The fourth proportional to 5,183.38, 7,769.71 and 2,407.79 is: 3,609.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.38 : 7,769.71 = 2,407.79 : x
  2. Step 2: Convert to fraction form
    5,183.38/7,769.71 = 2,407.79/x
  3. Step 3: Cross multiply
    5,183.38x = 7,769.71 × 2,407.79
  4. Step 4: Simplify right side
    5,183.38x = 18,707,785.17
  5. Step 5: Solve for x
    x = 18,707,785.17/5,183.38
  6. Step 6: Final answer
    x = 3,609.19

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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.