Home / 6,924.40-10,375.20-3,997.60

Finding the Fourth Proportional to 6,924.40, 10,375.20 and 3,997.60

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Solution

The fourth proportional to 6,924.40, 10,375.20 and 3,997.60 is: 5,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,924.40 : 10,375.20 = 3,997.60 : x
  2. Step 2: Convert to fraction form
    6,924.40/10,375.20 = 3,997.60/x
  3. Step 3: Cross multiply
    6,924.40x = 10,375.20 × 3,997.60
  4. Step 4: Simplify right side
    6,924.40x = 41,475,899.52
  5. Step 5: Solve for x
    x = 41,475,899.52/6,924.40
  6. Step 6: Final answer
    x = 5,989.82

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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.