Home / 8,107.22-12,160.82-6,261.02

Finding the Fourth Proportional to 8,107.22, 12,160.82 and 6,261.02

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Solution

The fourth proportional to 8,107.22, 12,160.82 and 6,261.02 is: 9,391.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.22 : 12,160.82 = 6,261.02 : x
  2. Step 2: Convert to fraction form
    8,107.22/12,160.82 = 6,261.02/x
  3. Step 3: Cross multiply
    8,107.22x = 12,160.82 × 6,261.02
  4. Step 4: Simplify right side
    8,107.22x = 76,139,137.24
  5. Step 5: Solve for x
    x = 76,139,137.24/8,107.22
  6. Step 6: Final answer
    x = 9,391.52

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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.