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Finding the Fourth Proportional to 7,213.29, 10,819.94 and 1,741.29

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Solution

The fourth proportional to 7,213.29, 10,819.94 and 1,741.29 is: 2,611.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.29 : 10,819.94 = 1,741.29 : x
  2. Step 2: Convert to fraction form
    7,213.29/10,819.94 = 1,741.29/x
  3. Step 3: Cross multiply
    7,213.29x = 10,819.94 × 1,741.29
  4. Step 4: Simplify right side
    7,213.29x = 18,840,644.62
  5. Step 5: Solve for x
    x = 18,840,644.62/7,213.29
  6. Step 6: Final answer
    x = 2,611.94

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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.