Home / 8,098.20-12,147.30-2,255.76

Finding the Fourth Proportional to 8,098.20, 12,147.30 and 2,255.76

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Solution

The fourth proportional to 8,098.20, 12,147.30 and 2,255.76 is: 3,383.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,098.20 : 12,147.30 = 2,255.76 : x
  2. Step 2: Convert to fraction form
    8,098.20/12,147.30 = 2,255.76/x
  3. Step 3: Cross multiply
    8,098.20x = 12,147.30 × 2,255.76
  4. Step 4: Simplify right side
    8,098.20x = 27,401,393.45
  5. Step 5: Solve for x
    x = 27,401,393.45/8,098.20
  6. Step 6: Final answer
    x = 3,383.64

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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.