Home / 5,378.28-8,067.42-2,258.30

Finding the Fourth Proportional to 5,378.28, 8,067.42 and 2,258.30

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Solution

The fourth proportional to 5,378.28, 8,067.42 and 2,258.30 is: 3,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.28 : 8,067.42 = 2,258.30 : x
  2. Step 2: Convert to fraction form
    5,378.28/8,067.42 = 2,258.30/x
  3. Step 3: Cross multiply
    5,378.28x = 8,067.42 × 2,258.30
  4. Step 4: Simplify right side
    5,378.28x = 18,218,614.25
  5. Step 5: Solve for x
    x = 18,218,614.25/5,378.28
  6. Step 6: Final answer
    x = 3,387.44

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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.