Home / 4,151.97-6,227.94-1,378.85

Finding the Fourth Proportional to 4,151.97, 6,227.94 and 1,378.85

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Solution

The fourth proportional to 4,151.97, 6,227.94 and 1,378.85 is: 2,068.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.97 : 6,227.94 = 1,378.85 : x
  2. Step 2: Convert to fraction form
    4,151.97/6,227.94 = 1,378.85/x
  3. Step 3: Cross multiply
    4,151.97x = 6,227.94 × 1,378.85
  4. Step 4: Simplify right side
    4,151.97x = 8,587,410.64
  5. Step 5: Solve for x
    x = 8,587,410.64/4,151.97
  6. Step 6: Final answer
    x = 2,068.27

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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.