Home / 7,520.55-11,279.92-3,825.44

Finding the Fourth Proportional to 7,520.55, 11,279.92 and 3,825.44

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Solution

The fourth proportional to 7,520.55, 11,279.92 and 3,825.44 is: 5,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.55 : 11,279.92 = 3,825.44 : x
  2. Step 2: Convert to fraction form
    7,520.55/11,279.92 = 3,825.44/x
  3. Step 3: Cross multiply
    7,520.55x = 11,279.92 × 3,825.44
  4. Step 4: Simplify right side
    7,520.55x = 43,150,657.16
  5. Step 5: Solve for x
    x = 43,150,657.16/7,520.55
  6. Step 6: Final answer
    x = 5,737.70

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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.