Home / 7,423.92-11,134.17-2,157.57

Finding the Fourth Proportional to 7,423.92, 11,134.17 and 2,157.57

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Solution

The fourth proportional to 7,423.92, 11,134.17 and 2,157.57 is: 3,235.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.92 : 11,134.17 = 2,157.57 : x
  2. Step 2: Convert to fraction form
    7,423.92/11,134.17 = 2,157.57/x
  3. Step 3: Cross multiply
    7,423.92x = 11,134.17 × 2,157.57
  4. Step 4: Simplify right side
    7,423.92x = 24,022,751.17
  5. Step 5: Solve for x
    x = 24,022,751.17/7,423.92
  6. Step 6: Final answer
    x = 3,235.86

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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.