Home / 7,891.28-11,834.88-2,343.37

Finding the Fourth Proportional to 7,891.28, 11,834.88 and 2,343.37

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Solution

The fourth proportional to 7,891.28, 11,834.88 and 2,343.37 is: 3,514.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891.28 : 11,834.88 = 2,343.37 : x
  2. Step 2: Convert to fraction form
    7,891.28/11,834.88 = 2,343.37/x
  3. Step 3: Cross multiply
    7,891.28x = 11,834.88 × 2,343.37
  4. Step 4: Simplify right side
    7,891.28x = 27,733,431.85
  5. Step 5: Solve for x
    x = 27,733,431.85/7,891.28
  6. Step 6: Final answer
    x = 3,514.44

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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.