Home / 8,458.97-11,672.78-5,055.95

Finding the Fourth Proportional to 8,458.97, 11,672.78 and 5,055.95

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Solution

The fourth proportional to 8,458.97, 11,672.78 and 5,055.95 is: 6,976.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.97 : 11,672.78 = 5,055.95 : x
  2. Step 2: Convert to fraction form
    8,458.97/11,672.78 = 5,055.95/x
  3. Step 3: Cross multiply
    8,458.97x = 11,672.78 × 5,055.95
  4. Step 4: Simplify right side
    8,458.97x = 59,016,995.94
  5. Step 5: Solve for x
    x = 59,016,995.94/8,458.97
  6. Step 6: Final answer
    x = 6,976.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.