Home / 8,104.20-12,156.30-2,261.76

Finding the Fourth Proportional to 8,104.20, 12,156.30 and 2,261.76

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Solution

The fourth proportional to 8,104.20, 12,156.30 and 2,261.76 is: 3,392.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.20 : 12,156.30 = 2,261.76 : x
  2. Step 2: Convert to fraction form
    8,104.20/12,156.30 = 2,261.76/x
  3. Step 3: Cross multiply
    8,104.20x = 12,156.30 × 2,261.76
  4. Step 4: Simplify right side
    8,104.20x = 27,494,633.09
  5. Step 5: Solve for x
    x = 27,494,633.09/8,104.20
  6. Step 6: Final answer
    x = 3,392.64

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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.