Home / 4,249.55-6,375.24-1,287.75

Finding the Fourth Proportional to 4,249.55, 6,375.24 and 1,287.75

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Solution

The fourth proportional to 4,249.55, 6,375.24 and 1,287.75 is: 1,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.55 : 6,375.24 = 1,287.75 : x
  2. Step 2: Convert to fraction form
    4,249.55/6,375.24 = 1,287.75/x
  3. Step 3: Cross multiply
    4,249.55x = 6,375.24 × 1,287.75
  4. Step 4: Simplify right side
    4,249.55x = 8,209,715.31
  5. Step 5: Solve for x
    x = 8,209,715.31/4,249.55
  6. Step 6: Final answer
    x = 1,931.90

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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.