Home / 4,377.78-6,049.89-3,891.78

Finding the Fourth Proportional to 4,377.78, 6,049.89 and 3,891.78

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Solution

The fourth proportional to 4,377.78, 6,049.89 and 3,891.78 is: 5,378.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,377.78 : 6,049.89 = 3,891.78 : x
  2. Step 2: Convert to fraction form
    4,377.78/6,049.89 = 3,891.78/x
  3. Step 3: Cross multiply
    4,377.78x = 6,049.89 × 3,891.78
  4. Step 4: Simplify right side
    4,377.78x = 23,544,840.90
  5. Step 5: Solve for x
    x = 23,544,840.90/4,377.78
  6. Step 6: Final answer
    x = 5,378.26

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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.