Home / 8,170.28-12,255.58-2,327.06

Finding the Fourth Proportional to 8,170.28, 12,255.58 and 2,327.06

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Solution

The fourth proportional to 8,170.28, 12,255.58 and 2,327.06 is: 3,490.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.28 : 12,255.58 = 2,327.06 : x
  2. Step 2: Convert to fraction form
    8,170.28/12,255.58 = 2,327.06/x
  3. Step 3: Cross multiply
    8,170.28x = 12,255.58 × 2,327.06
  4. Step 4: Simplify right side
    8,170.28x = 28,519,469.99
  5. Step 5: Solve for x
    x = 28,519,469.99/8,170.28
  6. Step 6: Final answer
    x = 3,490.64

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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.