Home / 4,301.20-6,452.28-1,378.48

Finding the Fourth Proportional to 4,301.20, 6,452.28 and 1,378.48

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Solution

The fourth proportional to 4,301.20, 6,452.28 and 1,378.48 is: 2,067.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,301.20 : 6,452.28 = 1,378.48 : x
  2. Step 2: Convert to fraction form
    4,301.20/6,452.28 = 1,378.48/x
  3. Step 3: Cross multiply
    4,301.20x = 6,452.28 × 1,378.48
  4. Step 4: Simplify right side
    4,301.20x = 8,894,338.93
  5. Step 5: Solve for x
    x = 8,894,338.93/4,301.20
  6. Step 6: Final answer
    x = 2,067.87

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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.