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Finding the Fourth Proportional to 7,256.46, 10,879.20 and 3,744.94

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Solution

The fourth proportional to 7,256.46, 10,879.20 and 3,744.94 is: 5,614.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,256.46 : 10,879.20 = 3,744.94 : x
  2. Step 2: Convert to fraction form
    7,256.46/10,879.20 = 3,744.94/x
  3. Step 3: Cross multiply
    7,256.46x = 10,879.20 × 3,744.94
  4. Step 4: Simplify right side
    7,256.46x = 40,741,951.25
  5. Step 5: Solve for x
    x = 40,741,951.25/7,256.46
  6. Step 6: Final answer
    x = 5,614.58

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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.