Home / 4,249.78-6,343.60-3,937.12

Finding the Fourth Proportional to 4,249.78, 6,343.60 and 3,937.12

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Solution

The fourth proportional to 4,249.78, 6,343.60 and 3,937.12 is: 5,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.78 : 6,343.60 = 3,937.12 : x
  2. Step 2: Convert to fraction form
    4,249.78/6,343.60 = 3,937.12/x
  3. Step 3: Cross multiply
    4,249.78x = 6,343.60 × 3,937.12
  4. Step 4: Simplify right side
    4,249.78x = 24,975,514.43
  5. Step 5: Solve for x
    x = 24,975,514.43/4,249.78
  6. Step 6: Final answer
    x = 5,876.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.