Home / 5,979.99-8,976.92-3,212.09

Finding the Fourth Proportional to 5,979.99, 8,976.92 and 3,212.09

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Solution

The fourth proportional to 5,979.99, 8,976.92 and 3,212.09 is: 4,821.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.99 : 8,976.92 = 3,212.09 : x
  2. Step 2: Convert to fraction form
    5,979.99/8,976.92 = 3,212.09/x
  3. Step 3: Cross multiply
    5,979.99x = 8,976.92 × 3,212.09
  4. Step 4: Simplify right side
    5,979.99x = 28,834,614.02
  5. Step 5: Solve for x
    x = 28,834,614.02/5,979.99
  6. Step 6: Final answer
    x = 4,821.85

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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.