Home / 5,135.92-7,699.42-3,183.82

Finding the Fourth Proportional to 5,135.92, 7,699.42 and 3,183.82

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Solution

The fourth proportional to 5,135.92, 7,699.42 and 3,183.82 is: 4,772.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.92 : 7,699.42 = 3,183.82 : x
  2. Step 2: Convert to fraction form
    5,135.92/7,699.42 = 3,183.82/x
  3. Step 3: Cross multiply
    5,135.92x = 7,699.42 × 3,183.82
  4. Step 4: Simplify right side
    5,135.92x = 24,513,567.38
  5. Step 5: Solve for x
    x = 24,513,567.38/5,135.92
  6. Step 6: Final answer
    x = 4,772.97

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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.