Home / 4,257.32-6,385.44-3,163.28

Finding the Fourth Proportional to 4,257.32, 6,385.44 and 3,163.28

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Solution

The fourth proportional to 4,257.32, 6,385.44 and 3,163.28 is: 4,744.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.32 : 6,385.44 = 3,163.28 : x
  2. Step 2: Convert to fraction form
    4,257.32/6,385.44 = 3,163.28/x
  3. Step 3: Cross multiply
    4,257.32x = 6,385.44 × 3,163.28
  4. Step 4: Simplify right side
    4,257.32x = 20,198,934.64
  5. Step 5: Solve for x
    x = 20,198,934.64/4,257.32
  6. Step 6: Final answer
    x = 4,744.52

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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.