Home / 5,391.17-7,439.76-3,152.62

Finding the Fourth Proportional to 5,391.17, 7,439.76 and 3,152.62

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Solution

The fourth proportional to 5,391.17, 7,439.76 and 3,152.62 is: 4,350.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.17 : 7,439.76 = 3,152.62 : x
  2. Step 2: Convert to fraction form
    5,391.17/7,439.76 = 3,152.62/x
  3. Step 3: Cross multiply
    5,391.17x = 7,439.76 × 3,152.62
  4. Step 4: Simplify right side
    5,391.17x = 23,454,745.47
  5. Step 5: Solve for x
    x = 23,454,745.47/5,391.17
  6. Step 6: Final answer
    x = 4,350.59

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1.5x scale

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.