Home / 6,781.83-10,171.73-3,971.96

Finding the Fourth Proportional to 6,781.83, 10,171.73 and 3,971.96

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Solution

The fourth proportional to 6,781.83, 10,171.73 and 3,971.96 is: 5,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.83 : 10,171.73 = 3,971.96 : x
  2. Step 2: Convert to fraction form
    6,781.83/10,171.73 = 3,971.96/x
  3. Step 3: Cross multiply
    6,781.83x = 10,171.73 × 3,971.96
  4. Step 4: Simplify right side
    6,781.83x = 40,401,633.97
  5. Step 5: Solve for x
    x = 40,401,633.97/6,781.83
  6. Step 6: Final answer
    x = 5,957.34

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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.