Home / 7,375.44-10,177.68-4,231.20

Finding the Fourth Proportional to 7,375.44, 10,177.68 and 4,231.20

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Solution

The fourth proportional to 7,375.44, 10,177.68 and 4,231.20 is: 5,838.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.44 : 10,177.68 = 4,231.20 : x
  2. Step 2: Convert to fraction form
    7,375.44/10,177.68 = 4,231.20/x
  3. Step 3: Cross multiply
    7,375.44x = 10,177.68 × 4,231.20
  4. Step 4: Simplify right side
    7,375.44x = 43,063,799.62
  5. Step 5: Solve for x
    x = 43,063,799.62/7,375.44
  6. Step 6: Final answer
    x = 5,838.81

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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.