Home / 5,257.33-7,255.62-3,928.73

Finding the Fourth Proportional to 5,257.33, 7,255.62 and 3,928.73

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Solution

The fourth proportional to 5,257.33, 7,255.62 and 3,928.73 is: 5,422.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.33 : 7,255.62 = 3,928.73 : x
  2. Step 2: Convert to fraction form
    5,257.33/7,255.62 = 3,928.73/x
  3. Step 3: Cross multiply
    5,257.33x = 7,255.62 × 3,928.73
  4. Step 4: Simplify right side
    5,257.33x = 28,505,335.68
  5. Step 5: Solve for x
    x = 28,505,335.68/5,257.33
  6. Step 6: Final answer
    x = 5,422.02

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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.