Home / 3,982.74-5,493.90-3,306.72

Finding the Fourth Proportional to 3,982.74, 5,493.90 and 3,306.72

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Solution

The fourth proportional to 3,982.74, 5,493.90 and 3,306.72 is: 4,561.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.74 : 5,493.90 = 3,306.72 : x
  2. Step 2: Convert to fraction form
    3,982.74/5,493.90 = 3,306.72/x
  3. Step 3: Cross multiply
    3,982.74x = 5,493.90 × 3,306.72
  4. Step 4: Simplify right side
    3,982.74x = 18,166,789.01
  5. Step 5: Solve for x
    x = 18,166,789.01/3,982.74
  6. Step 6: Final answer
    x = 4,561.38

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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.