Home / 8,517.22-12,775.82-2,674.28

Finding the Fourth Proportional to 8,517.22, 12,775.82 and 2,674.28

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Solution

The fourth proportional to 8,517.22, 12,775.82 and 2,674.28 is: 4,011.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.22 : 12,775.82 = 2,674.28 : x
  2. Step 2: Convert to fraction form
    8,517.22/12,775.82 = 2,674.28/x
  3. Step 3: Cross multiply
    8,517.22x = 12,775.82 × 2,674.28
  4. Step 4: Simplify right side
    8,517.22x = 34,166,119.91
  5. Step 5: Solve for x
    x = 34,166,119.91/8,517.22
  6. Step 6: Final answer
    x = 4,011.42

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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.