Home / 3,947.27-5,919.71-3,252.21

Finding the Fourth Proportional to 3,947.27, 5,919.71 and 3,252.21

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Solution

The fourth proportional to 3,947.27, 5,919.71 and 3,252.21 is: 4,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.27 : 5,919.71 = 3,252.21 : x
  2. Step 2: Convert to fraction form
    3,947.27/5,919.71 = 3,252.21/x
  3. Step 3: Cross multiply
    3,947.27x = 5,919.71 × 3,252.21
  4. Step 4: Simplify right side
    3,947.27x = 19,252,123.80
  5. Step 5: Solve for x
    x = 19,252,123.80/3,947.27
  6. Step 6: Final answer
    x = 4,877.33

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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.