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Finding the Fourth Proportional to 7,100.09, 10,650.12 and 3,199.94

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Solution

The fourth proportional to 7,100.09, 10,650.12 and 3,199.94 is: 4,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.09 : 10,650.12 = 3,199.94 : x
  2. Step 2: Convert to fraction form
    7,100.09/10,650.12 = 3,199.94/x
  3. Step 3: Cross multiply
    7,100.09x = 10,650.12 × 3,199.94
  4. Step 4: Simplify right side
    7,100.09x = 34,079,691.74
  5. Step 5: Solve for x
    x = 34,079,691.74/7,100.09
  6. Step 6: Final answer
    x = 4,799.90

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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.