Home / 8,104.05-12,156.07-6,257.86

Finding the Fourth Proportional to 8,104.05, 12,156.07 and 6,257.86

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Solution

The fourth proportional to 8,104.05, 12,156.07 and 6,257.86 is: 9,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.05 : 12,156.07 = 6,257.86 : x
  2. Step 2: Convert to fraction form
    8,104.05/12,156.07 = 6,257.86/x
  3. Step 3: Cross multiply
    8,104.05x = 12,156.07 × 6,257.86
  4. Step 4: Simplify right side
    8,104.05x = 76,070,984.21
  5. Step 5: Solve for x
    x = 76,070,984.21/8,104.05
  6. Step 6: Final answer
    x = 9,386.79

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Similar ratio
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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.