Home / 8,181.84-12,273.20-2,634.78

Finding the Fourth Proportional to 8,181.84, 12,273.20 and 2,634.78

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Solution

The fourth proportional to 8,181.84, 12,273.20 and 2,634.78 is: 3,952.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.84 : 12,273.20 = 2,634.78 : x
  2. Step 2: Convert to fraction form
    8,181.84/12,273.20 = 2,634.78/x
  3. Step 3: Cross multiply
    8,181.84x = 12,273.20 × 2,634.78
  4. Step 4: Simplify right side
    8,181.84x = 32,337,181.90
  5. Step 5: Solve for x
    x = 32,337,181.90/8,181.84
  6. Step 6: Final answer
    x = 3,952.31

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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.