Home / 8,268.87-12,391.49-6,608.05

Finding the Fourth Proportional to 8,268.87, 12,391.49 and 6,608.05

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Solution

The fourth proportional to 8,268.87, 12,391.49 and 6,608.05 is: 9,902.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.87 : 12,391.49 = 6,608.05 : x
  2. Step 2: Convert to fraction form
    8,268.87/12,391.49 = 6,608.05/x
  3. Step 3: Cross multiply
    8,268.87x = 12,391.49 × 6,608.05
  4. Step 4: Simplify right side
    8,268.87x = 81,883,521.48
  5. Step 5: Solve for x
    x = 81,883,521.48/8,268.87
  6. Step 6: Final answer
    x = 9,902.63

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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.