Home / 4,262.82-6,393.68-3,168.78

Finding the Fourth Proportional to 4,262.82, 6,393.68 and 3,168.78

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Solution

The fourth proportional to 4,262.82, 6,393.68 and 3,168.78 is: 4,752.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.82 : 6,393.68 = 3,168.78 : x
  2. Step 2: Convert to fraction form
    4,262.82/6,393.68 = 3,168.78/x
  3. Step 3: Cross multiply
    4,262.82x = 6,393.68 × 3,168.78
  4. Step 4: Simplify right side
    4,262.82x = 20,260,165.31
  5. Step 5: Solve for x
    x = 20,260,165.31/4,262.82
  6. Step 6: Final answer
    x = 4,752.76

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1.5x scale

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.