Home / 8,179.35-12,267.84-2,631.96

Finding the Fourth Proportional to 8,179.35, 12,267.84 and 2,631.96

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Solution

The fourth proportional to 8,179.35, 12,267.84 and 2,631.96 is: 3,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.35 : 12,267.84 = 2,631.96 : x
  2. Step 2: Convert to fraction form
    8,179.35/12,267.84 = 2,631.96/x
  3. Step 3: Cross multiply
    8,179.35x = 12,267.84 × 2,631.96
  4. Step 4: Simplify right side
    8,179.35x = 32,288,464.17
  5. Step 5: Solve for x
    x = 32,288,464.17/8,179.35
  6. Step 6: Final answer
    x = 3,947.56

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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.