Home / 8,069.73-12,105.75-3,906.32

Finding the Fourth Proportional to 8,069.73, 12,105.75 and 3,906.32

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Solution

The fourth proportional to 8,069.73, 12,105.75 and 3,906.32 is: 5,860.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069.73 : 12,105.75 = 3,906.32 : x
  2. Step 2: Convert to fraction form
    8,069.73/12,105.75 = 3,906.32/x
  3. Step 3: Cross multiply
    8,069.73x = 12,105.75 × 3,906.32
  4. Step 4: Simplify right side
    8,069.73x = 47,288,872.81
  5. Step 5: Solve for x
    x = 47,288,872.81/8,069.73
  6. Step 6: Final answer
    x = 5,860.03

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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.