Home / 7,948.92-11,925.18-4,249.20

Finding the Fourth Proportional to 7,948.92, 11,925.18 and 4,249.20

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Solution

The fourth proportional to 7,948.92, 11,925.18 and 4,249.20 is: 6,374.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.92 : 11,925.18 = 4,249.20 : x
  2. Step 2: Convert to fraction form
    7,948.92/11,925.18 = 4,249.20/x
  3. Step 3: Cross multiply
    7,948.92x = 11,925.18 × 4,249.20
  4. Step 4: Simplify right side
    7,948.92x = 50,672,474.86
  5. Step 5: Solve for x
    x = 50,672,474.86/7,948.92
  6. Step 6: Final answer
    x = 6,374.76

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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.