Home / 7,951.24-11,927.82-2,107.96

Finding the Fourth Proportional to 7,951.24, 11,927.82 and 2,107.96

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Solution

The fourth proportional to 7,951.24, 11,927.82 and 2,107.96 is: 3,162.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.24 : 11,927.82 = 2,107.96 : x
  2. Step 2: Convert to fraction form
    7,951.24/11,927.82 = 2,107.96/x
  3. Step 3: Cross multiply
    7,951.24x = 11,927.82 × 2,107.96
  4. Step 4: Simplify right side
    7,951.24x = 25,143,367.45
  5. Step 5: Solve for x
    x = 25,143,367.45/7,951.24
  6. Step 6: Final answer
    x = 3,162.19

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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.