Home / 7,760.07-11,640.78-3,377.97

Finding the Fourth Proportional to 7,760.07, 11,640.78 and 3,377.97

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Solution

The fourth proportional to 7,760.07, 11,640.78 and 3,377.97 is: 5,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.07 : 11,640.78 = 3,377.97 : x
  2. Step 2: Convert to fraction form
    7,760.07/11,640.78 = 3,377.97/x
  3. Step 3: Cross multiply
    7,760.07x = 11,640.78 × 3,377.97
  4. Step 4: Simplify right side
    7,760.07x = 39,322,205.62
  5. Step 5: Solve for x
    x = 39,322,205.62/7,760.07
  6. Step 6: Final answer
    x = 5,067.25

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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.