Home / 8,154.27-12,231.99-2,608.05

Finding the Fourth Proportional to 8,154.27, 12,231.99 and 2,608.05

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Solution

The fourth proportional to 8,154.27, 12,231.99 and 2,608.05 is: 3,912.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.27 : 12,231.99 = 2,608.05 : x
  2. Step 2: Convert to fraction form
    8,154.27/12,231.99 = 2,608.05/x
  3. Step 3: Cross multiply
    8,154.27x = 12,231.99 × 2,608.05
  4. Step 4: Simplify right side
    8,154.27x = 31,901,641.52
  5. Step 5: Solve for x
    x = 31,901,641.52/8,154.27
  6. Step 6: Final answer
    x = 3,912.26

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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.