Home / 5,399.68-7,452.32-3,161.92

Finding the Fourth Proportional to 5,399.68, 7,452.32 and 3,161.92

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Solution

The fourth proportional to 5,399.68, 7,452.32 and 3,161.92 is: 4,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.68 : 7,452.32 = 3,161.92 : x
  2. Step 2: Convert to fraction form
    5,399.68/7,452.32 = 3,161.92/x
  3. Step 3: Cross multiply
    5,399.68x = 7,452.32 × 3,161.92
  4. Step 4: Simplify right side
    5,399.68x = 23,563,639.65
  5. Step 5: Solve for x
    x = 23,563,639.65/5,399.68
  6. Step 6: Final answer
    x = 4,363.90

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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.