Home / 4,025.28-5,578.56-3,963.84

Finding the Fourth Proportional to 4,025.28, 5,578.56 and 3,963.84

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Solution

The fourth proportional to 4,025.28, 5,578.56 and 3,963.84 is: 5,493.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,025.28 : 5,578.56 = 3,963.84 : x
  2. Step 2: Convert to fraction form
    4,025.28/5,578.56 = 3,963.84/x
  3. Step 3: Cross multiply
    4,025.28x = 5,578.56 × 3,963.84
  4. Step 4: Simplify right side
    4,025.28x = 22,112,519.27
  5. Step 5: Solve for x
    x = 22,112,519.27/4,025.28
  6. Step 6: Final answer
    x = 5,493.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.