Home / 8,179.50-12,268.98-2,633.16

Finding the Fourth Proportional to 8,179.50, 12,268.98 and 2,633.16

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Solution

The fourth proportional to 8,179.50, 12,268.98 and 2,633.16 is: 3,949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.50 : 12,268.98 = 2,633.16 : x
  2. Step 2: Convert to fraction form
    8,179.50/12,268.98 = 2,633.16/x
  3. Step 3: Cross multiply
    8,179.50x = 12,268.98 × 2,633.16
  4. Step 4: Simplify right side
    8,179.50x = 32,306,187.38
  5. Step 5: Solve for x
    x = 32,306,187.38/8,179.50
  6. Step 6: Final answer
    x = 3,949.65

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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.