Home / 7,446.78-11,168.82-3,286.08

Finding the Fourth Proportional to 7,446.78, 11,168.82 and 3,286.08

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Solution

The fourth proportional to 7,446.78, 11,168.82 and 3,286.08 is: 4,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446.78 : 11,168.82 = 3,286.08 : x
  2. Step 2: Convert to fraction form
    7,446.78/11,168.82 = 3,286.08/x
  3. Step 3: Cross multiply
    7,446.78x = 11,168.82 × 3,286.08
  4. Step 4: Simplify right side
    7,446.78x = 36,701,636.03
  5. Step 5: Solve for x
    x = 36,701,636.03/7,446.78
  6. Step 6: Final answer
    x = 4,928.52

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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.