Home / 7,906.08-11,861.30-2,359.61

Finding the Fourth Proportional to 7,906.08, 11,861.30 and 2,359.61

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Solution

The fourth proportional to 7,906.08, 11,861.30 and 2,359.61 is: 3,540.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.08 : 11,861.30 = 2,359.61 : x
  2. Step 2: Convert to fraction form
    7,906.08/11,861.30 = 2,359.61/x
  3. Step 3: Cross multiply
    7,906.08x = 11,861.30 × 2,359.61
  4. Step 4: Simplify right side
    7,906.08x = 27,988,042.09
  5. Step 5: Solve for x
    x = 27,988,042.09/7,906.08
  6. Step 6: Final answer
    x = 3,540.07

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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.