Home / 8,359.85-12,539.91-3,976.43

Finding the Fourth Proportional to 8,359.85, 12,539.91 and 3,976.43

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Solution

The fourth proportional to 8,359.85, 12,539.91 and 3,976.43 is: 5,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.85 : 12,539.91 = 3,976.43 : x
  2. Step 2: Convert to fraction form
    8,359.85/12,539.91 = 3,976.43/x
  3. Step 3: Cross multiply
    8,359.85x = 12,539.91 × 3,976.43
  4. Step 4: Simplify right side
    8,359.85x = 49,864,011.62
  5. Step 5: Solve for x
    x = 49,864,011.62/8,359.85
  6. Step 6: Final answer
    x = 5,964.71

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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.