Home / 8,540.82-12,817.02-2,994.12

Finding the Fourth Proportional to 8,540.82, 12,817.02 and 2,994.12

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Solution

The fourth proportional to 8,540.82, 12,817.02 and 2,994.12 is: 4,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.82 : 12,817.02 = 2,994.12 : x
  2. Step 2: Convert to fraction form
    8,540.82/12,817.02 = 2,994.12/x
  3. Step 3: Cross multiply
    8,540.82x = 12,817.02 × 2,994.12
  4. Step 4: Simplify right side
    8,540.82x = 38,375,695.92
  5. Step 5: Solve for x
    x = 38,375,695.92/8,540.82
  6. Step 6: Final answer
    x = 4,493.21

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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.