Home / 3,956.33-5,456.13-3,396.62

Finding the Fourth Proportional to 3,956.33, 5,456.13 and 3,396.62

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Solution

The fourth proportional to 3,956.33, 5,456.13 and 3,396.62 is: 4,684.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.33 : 5,456.13 = 3,396.62 : x
  2. Step 2: Convert to fraction form
    3,956.33/5,456.13 = 3,396.62/x
  3. Step 3: Cross multiply
    3,956.33x = 5,456.13 × 3,396.62
  4. Step 4: Simplify right side
    3,956.33x = 18,532,401.18
  5. Step 5: Solve for x
    x = 18,532,401.18/3,956.33
  6. Step 6: Final answer
    x = 4,684.24

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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.