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Finding the Fourth Proportional to 6,589.38, 9,093.50 and 3,936.30

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Solution

The fourth proportional to 6,589.38, 9,093.50 and 3,936.30 is: 5,432.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,589.38 : 9,093.50 = 3,936.30 : x
  2. Step 2: Convert to fraction form
    6,589.38/9,093.50 = 3,936.30/x
  3. Step 3: Cross multiply
    6,589.38x = 9,093.50 × 3,936.30
  4. Step 4: Simplify right side
    6,589.38x = 35,794,744.05
  5. Step 5: Solve for x
    x = 35,794,744.05/6,589.38
  6. Step 6: Final answer
    x = 5,432.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.