Home / 8,193.46-12,288.34-3,261.76

Finding the Fourth Proportional to 8,193.46, 12,288.34 and 3,261.76

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Solution

The fourth proportional to 8,193.46, 12,288.34 and 3,261.76 is: 4,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.46 : 12,288.34 = 3,261.76 : x
  2. Step 2: Convert to fraction form
    8,193.46/12,288.34 = 3,261.76/x
  3. Step 3: Cross multiply
    8,193.46x = 12,288.34 × 3,261.76
  4. Step 4: Simplify right side
    8,193.46x = 40,081,615.88
  5. Step 5: Solve for x
    x = 40,081,615.88/8,193.46
  6. Step 6: Final answer
    x = 4,891.90

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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.