Home / 4,151.93-6,227.26-1,378.64

Finding the Fourth Proportional to 4,151.93, 6,227.26 and 1,378.64

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Solution

The fourth proportional to 4,151.93, 6,227.26 and 1,378.64 is: 2,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.93 : 6,227.26 = 1,378.64 : x
  2. Step 2: Convert to fraction form
    4,151.93/6,227.26 = 1,378.64/x
  3. Step 3: Cross multiply
    4,151.93x = 6,227.26 × 1,378.64
  4. Step 4: Simplify right side
    4,151.93x = 8,585,161.85
  5. Step 5: Solve for x
    x = 8,585,161.85/4,151.93
  6. Step 6: Final answer
    x = 2,067.75

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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.