Home / 5,400.28-7,454.25-3,162.88

Finding the Fourth Proportional to 5,400.28, 7,454.25 and 3,162.88

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Solution

The fourth proportional to 5,400.28, 7,454.25 and 3,162.88 is: 4,365.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.28 : 7,454.25 = 3,162.88 : x
  2. Step 2: Convert to fraction form
    5,400.28/7,454.25 = 3,162.88/x
  3. Step 3: Cross multiply
    5,400.28x = 7,454.25 × 3,162.88
  4. Step 4: Simplify right side
    5,400.28x = 23,576,860.97
  5. Step 5: Solve for x
    x = 23,576,860.97/5,400.28
  6. Step 6: Final answer
    x = 4,365.86

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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.