Home / 7,934.20-11,906.14-2,743.72

Finding the Fourth Proportional to 7,934.20, 11,906.14 and 2,743.72

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Solution

The fourth proportional to 7,934.20, 11,906.14 and 2,743.72 is: 4,117.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.20 : 11,906.14 = 2,743.72 : x
  2. Step 2: Convert to fraction form
    7,934.20/11,906.14 = 2,743.72/x
  3. Step 3: Cross multiply
    7,934.20x = 11,906.14 × 2,743.72
  4. Step 4: Simplify right side
    7,934.20x = 32,667,114.44
  5. Step 5: Solve for x
    x = 32,667,114.44/7,934.20
  6. Step 6: Final answer
    x = 4,117.25

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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.