Home / 3,947.33-5,447.13-2,267.56

Finding the Fourth Proportional to 3,947.33, 5,447.13 and 2,267.56

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Solution

The fourth proportional to 3,947.33, 5,447.13 and 2,267.56 is: 3,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.33 : 5,447.13 = 2,267.56 : x
  2. Step 2: Convert to fraction form
    3,947.33/5,447.13 = 2,267.56/x
  3. Step 3: Cross multiply
    3,947.33x = 5,447.13 × 2,267.56
  4. Step 4: Simplify right side
    3,947.33x = 12,351,694.10
  5. Step 5: Solve for x
    x = 12,351,694.10/3,947.33
  6. Step 6: Final answer
    x = 3,129.13

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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.