Home / 7,842.24-11,766.42-3,456.62

Finding the Fourth Proportional to 7,842.24, 11,766.42 and 3,456.62

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Solution

The fourth proportional to 7,842.24, 11,766.42 and 3,456.62 is: 5,186.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,842.24 : 11,766.42 = 3,456.62 : x
  2. Step 2: Convert to fraction form
    7,842.24/11,766.42 = 3,456.62/x
  3. Step 3: Cross multiply
    7,842.24x = 11,766.42 × 3,456.62
  4. Step 4: Simplify right side
    7,842.24x = 40,671,983.87
  5. Step 5: Solve for x
    x = 40,671,983.87/7,842.24
  6. Step 6: Final answer
    x = 5,186.27

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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.