Home / 8,101.20-12,150.30-2,256.60

Finding the Fourth Proportional to 8,101.20, 12,150.30 and 2,256.60

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Solution

The fourth proportional to 8,101.20, 12,150.30 and 2,256.60 is: 3,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.20 : 12,150.30 = 2,256.60 : x
  2. Step 2: Convert to fraction form
    8,101.20/12,150.30 = 2,256.60/x
  3. Step 3: Cross multiply
    8,101.20x = 12,150.30 × 2,256.60
  4. Step 4: Simplify right side
    8,101.20x = 27,418,366.98
  5. Step 5: Solve for x
    x = 27,418,366.98/8,101.20
  6. Step 6: Final answer
    x = 3,384.48

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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.