Home / 7,724.97-11,587.46-2,531.25

Finding the Fourth Proportional to 7,724.97, 11,587.46 and 2,531.25

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Solution

The fourth proportional to 7,724.97, 11,587.46 and 2,531.25 is: 3,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.97 : 11,587.46 = 2,531.25 : x
  2. Step 2: Convert to fraction form
    7,724.97/11,587.46 = 2,531.25/x
  3. Step 3: Cross multiply
    7,724.97x = 11,587.46 × 2,531.25
  4. Step 4: Simplify right side
    7,724.97x = 29,330,745.47
  5. Step 5: Solve for x
    x = 29,330,745.47/7,724.97
  6. Step 6: Final answer
    x = 3,796.88

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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.