Home / 8,086.08-12,129.12-2,242.74

Finding the Fourth Proportional to 8,086.08, 12,129.12 and 2,242.74

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Solution

The fourth proportional to 8,086.08, 12,129.12 and 2,242.74 is: 3,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086.08 : 12,129.12 = 2,242.74 : x
  2. Step 2: Convert to fraction form
    8,086.08/12,129.12 = 2,242.74/x
  3. Step 3: Cross multiply
    8,086.08x = 12,129.12 × 2,242.74
  4. Step 4: Simplify right side
    8,086.08x = 27,202,462.59
  5. Step 5: Solve for x
    x = 27,202,462.59/8,086.08
  6. Step 6: Final answer
    x = 3,364.11

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Half scale
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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.