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Finding the Fourth Proportional to 8,344.67, 12,522.11 and 3,346.51

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Solution

The fourth proportional to 8,344.67, 12,522.11 and 3,346.51 is: 5,021.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.67 : 12,522.11 = 3,346.51 : x
  2. Step 2: Convert to fraction form
    8,344.67/12,522.11 = 3,346.51/x
  3. Step 3: Cross multiply
    8,344.67x = 12,522.11 × 3,346.51
  4. Step 4: Simplify right side
    8,344.67x = 41,905,286.99
  5. Step 5: Solve for x
    x = 41,905,286.99/8,344.67
  6. Step 6: Final answer
    x = 5,021.81

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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.