Home / 7,929.05-11,895.39-4,229.33

Finding the Fourth Proportional to 7,929.05, 11,895.39 and 4,229.33

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Solution

The fourth proportional to 7,929.05, 11,895.39 and 4,229.33 is: 6,344.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.05 : 11,895.39 = 4,229.33 : x
  2. Step 2: Convert to fraction form
    7,929.05/11,895.39 = 4,229.33/x
  3. Step 3: Cross multiply
    7,929.05x = 11,895.39 × 4,229.33
  4. Step 4: Simplify right side
    7,929.05x = 50,309,470.31
  5. Step 5: Solve for x
    x = 50,309,470.31/7,929.05
  6. Step 6: Final answer
    x = 6,344.96

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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.