Home / 5,432.38-8,151.78-2,313.02

Finding the Fourth Proportional to 5,432.38, 8,151.78 and 2,313.02

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Solution

The fourth proportional to 5,432.38, 8,151.78 and 2,313.02 is: 3,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.38 : 8,151.78 = 2,313.02 : x
  2. Step 2: Convert to fraction form
    5,432.38/8,151.78 = 2,313.02/x
  3. Step 3: Cross multiply
    5,432.38x = 8,151.78 × 2,313.02
  4. Step 4: Simplify right side
    5,432.38x = 18,855,230.18
  5. Step 5: Solve for x
    x = 18,855,230.18/5,432.38
  6. Step 6: Final answer
    x = 3,470.90

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1.5x scale

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.