Home / 3,947.73-5,443.97-3,063.21

Finding the Fourth Proportional to 3,947.73, 5,443.97 and 3,063.21

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Solution

The fourth proportional to 3,947.73, 5,443.97 and 3,063.21 is: 4,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.73 : 5,443.97 = 3,063.21 : x
  2. Step 2: Convert to fraction form
    3,947.73/5,443.97 = 3,063.21/x
  3. Step 3: Cross multiply
    3,947.73x = 5,443.97 × 3,063.21
  4. Step 4: Simplify right side
    3,947.73x = 16,676,023.34
  5. Step 5: Solve for x
    x = 16,676,023.34/3,947.73
  6. Step 6: Final answer
    x = 4,224.21

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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.