Home / 7,979.40-11,964.24-3,599.33

Finding the Fourth Proportional to 7,979.40, 11,964.24 and 3,599.33

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Solution

The fourth proportional to 7,979.40, 11,964.24 and 3,599.33 is: 5,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.40 : 11,964.24 = 3,599.33 : x
  2. Step 2: Convert to fraction form
    7,979.40/11,964.24 = 3,599.33/x
  3. Step 3: Cross multiply
    7,979.40x = 11,964.24 × 3,599.33
  4. Step 4: Simplify right side
    7,979.40x = 43,063,188.14
  5. Step 5: Solve for x
    x = 43,063,188.14/7,979.40
  6. Step 6: Final answer
    x = 5,396.80

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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.