Home / 7,951.27-11,927.18-2,108.47

Finding the Fourth Proportional to 7,951.27, 11,927.18 and 2,108.47

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Solution

The fourth proportional to 7,951.27, 11,927.18 and 2,108.47 is: 3,162.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.27 : 11,927.18 = 2,108.47 : x
  2. Step 2: Convert to fraction form
    7,951.27/11,927.18 = 2,108.47/x
  3. Step 3: Cross multiply
    7,951.27x = 11,927.18 × 2,108.47
  4. Step 4: Simplify right side
    7,951.27x = 25,148,090.67
  5. Step 5: Solve for x
    x = 25,148,090.67/7,951.27
  6. Step 6: Final answer
    x = 3,162.78

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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.