Home / 4,311.17-6,447.86-3,995.90

Finding the Fourth Proportional to 4,311.17, 6,447.86 and 3,995.90

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Solution

The fourth proportional to 4,311.17, 6,447.86 and 3,995.90 is: 5,976.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.17 : 6,447.86 = 3,995.90 : x
  2. Step 2: Convert to fraction form
    4,311.17/6,447.86 = 3,995.90/x
  3. Step 3: Cross multiply
    4,311.17x = 6,447.86 × 3,995.90
  4. Step 4: Simplify right side
    4,311.17x = 25,764,983.79
  5. Step 5: Solve for x
    x = 25,764,983.79/4,311.17
  6. Step 6: Final answer
    x = 5,976.34

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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.