Home / 8,131.01-12,196.58-2,287.67

Finding the Fourth Proportional to 8,131.01, 12,196.58 and 2,287.67

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Solution

The fourth proportional to 8,131.01, 12,196.58 and 2,287.67 is: 3,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.01 : 12,196.58 = 2,287.67 : x
  2. Step 2: Convert to fraction form
    8,131.01/12,196.58 = 2,287.67/x
  3. Step 3: Cross multiply
    8,131.01x = 12,196.58 × 2,287.67
  4. Step 4: Simplify right side
    8,131.01x = 27,901,677.75
  5. Step 5: Solve for x
    x = 27,901,677.75/8,131.01
  6. Step 6: Final answer
    x = 3,431.52

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Half scale
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Double 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.