Home / 8,108.82-12,164.04-2,563.56

Finding the Fourth Proportional to 8,108.82, 12,164.04 and 2,563.56

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Solution

The fourth proportional to 8,108.82, 12,164.04 and 2,563.56 is: 3,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.82 : 12,164.04 = 2,563.56 : x
  2. Step 2: Convert to fraction form
    8,108.82/12,164.04 = 2,563.56/x
  3. Step 3: Cross multiply
    8,108.82x = 12,164.04 × 2,563.56
  4. Step 4: Simplify right side
    8,108.82x = 31,183,246.38
  5. Step 5: Solve for x
    x = 31,183,246.38/8,108.82
  6. Step 6: Final answer
    x = 3,845.60

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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.