Home / 8,261.36-12,381.11-6,059.78

Finding the Fourth Proportional to 8,261.36, 12,381.11 and 6,059.78

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Solution

The fourth proportional to 8,261.36, 12,381.11 and 6,059.78 is: 9,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.36 : 12,381.11 = 6,059.78 : x
  2. Step 2: Convert to fraction form
    8,261.36/12,381.11 = 6,059.78/x
  3. Step 3: Cross multiply
    8,261.36x = 12,381.11 × 6,059.78
  4. Step 4: Simplify right side
    8,261.36x = 75,026,772.46
  5. Step 5: Solve for x
    x = 75,026,772.46/8,261.36
  6. Step 6: Final answer
    x = 9,081.65

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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.