Home / 7,986.92-11,982.23-2,440.25

Finding the Fourth Proportional to 7,986.92, 11,982.23 and 2,440.25

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Solution

The fourth proportional to 7,986.92, 11,982.23 and 2,440.25 is: 3,660.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.92 : 11,982.23 = 2,440.25 : x
  2. Step 2: Convert to fraction form
    7,986.92/11,982.23 = 2,440.25/x
  3. Step 3: Cross multiply
    7,986.92x = 11,982.23 × 2,440.25
  4. Step 4: Simplify right side
    7,986.92x = 29,239,564.65
  5. Step 5: Solve for x
    x = 29,239,564.65/7,986.92
  6. Step 6: Final answer
    x = 3,660.93

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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.