Home / 8,225.25-12,336.43-2,677.78

Finding the Fourth Proportional to 8,225.25, 12,336.43 and 2,677.78

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Solution

The fourth proportional to 8,225.25, 12,336.43 and 2,677.78 is: 4,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.25 : 12,336.43 = 2,677.78 : x
  2. Step 2: Convert to fraction form
    8,225.25/12,336.43 = 2,677.78/x
  3. Step 3: Cross multiply
    8,225.25x = 12,336.43 × 2,677.78
  4. Step 4: Simplify right side
    8,225.25x = 33,034,245.53
  5. Step 5: Solve for x
    x = 33,034,245.53/8,225.25
  6. Step 6: Final answer
    x = 4,016.20

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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.