Home / 7,679.40-11,519.82-3,296.04

Finding the Fourth Proportional to 7,679.40, 11,519.82 and 3,296.04

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Solution

The fourth proportional to 7,679.40, 11,519.82 and 3,296.04 is: 4,944.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.40 : 11,519.82 = 3,296.04 : x
  2. Step 2: Convert to fraction form
    7,679.40/11,519.82 = 3,296.04/x
  3. Step 3: Cross multiply
    7,679.40x = 11,519.82 × 3,296.04
  4. Step 4: Simplify right side
    7,679.40x = 37,969,787.51
  5. Step 5: Solve for x
    x = 37,969,787.51/7,679.40
  6. Step 6: Final answer
    x = 4,944.37

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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.