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Finding the Fourth Proportional to 7,343.56, 11,026.23 and 7,234.21

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Solution

The fourth proportional to 7,343.56, 11,026.23 and 7,234.21 is: 10,862.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.56 : 11,026.23 = 7,234.21 : x
  2. Step 2: Convert to fraction form
    7,343.56/11,026.23 = 7,234.21/x
  3. Step 3: Cross multiply
    7,343.56x = 11,026.23 × 7,234.21
  4. Step 4: Simplify right side
    7,343.56x = 79,766,063.33
  5. Step 5: Solve for x
    x = 79,766,063.33/7,343.56
  6. Step 6: Final answer
    x = 10,862.04

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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.