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Finding the Fourth Proportional to 7,377.39, 11,067.69 and 2,760.39

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Solution

The fourth proportional to 7,377.39, 11,067.69 and 2,760.39 is: 4,141.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.39 : 11,067.69 = 2,760.39 : x
  2. Step 2: Convert to fraction form
    7,377.39/11,067.69 = 2,760.39/x
  3. Step 3: Cross multiply
    7,377.39x = 11,067.69 × 2,760.39
  4. Step 4: Simplify right side
    7,377.39x = 30,551,140.80
  5. Step 5: Solve for x
    x = 30,551,140.80/7,377.39
  6. Step 6: Final answer
    x = 4,141.19

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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.