Home / 7,935.75-11,902.99-3,982.97

Finding the Fourth Proportional to 7,935.75, 11,902.99 and 3,982.97

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Solution

The fourth proportional to 7,935.75, 11,902.99 and 3,982.97 is: 5,974.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.75 : 11,902.99 = 3,982.97 : x
  2. Step 2: Convert to fraction form
    7,935.75/11,902.99 = 3,982.97/x
  3. Step 3: Cross multiply
    7,935.75x = 11,902.99 × 3,982.97
  4. Step 4: Simplify right side
    7,935.75x = 47,409,252.08
  5. Step 5: Solve for x
    x = 47,409,252.08/7,935.75
  6. Step 6: Final answer
    x = 5,974.14

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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.