Home / 7,934.43-11,902.23-2,091

Finding the Fourth Proportional to 7,934.43, 11,902.23 and 2,091

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Solution

The fourth proportional to 7,934.43, 11,902.23 and 2,091 is: 3,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.43 : 11,902.23 = 2,091 : x
  2. Step 2: Convert to fraction form
    7,934.43/11,902.23 = 2,091/x
  3. Step 3: Cross multiply
    7,934.43x = 11,902.23 × 2,091
  4. Step 4: Simplify right side
    7,934.43x = 24,887,562.93
  5. Step 5: Solve for x
    x = 24,887,562.93/7,934.43
  6. Step 6: Final answer
    x = 3,136.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.