Home / 7,942.61-11,906.82-3,015.69

Finding the Fourth Proportional to 7,942.61, 11,906.82 and 3,015.69

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Solution

The fourth proportional to 7,942.61, 11,906.82 and 3,015.69 is: 4,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.61 : 11,906.82 = 3,015.69 : x
  2. Step 2: Convert to fraction form
    7,942.61/11,906.82 = 3,015.69/x
  3. Step 3: Cross multiply
    7,942.61x = 11,906.82 × 3,015.69
  4. Step 4: Simplify right side
    7,942.61x = 35,907,278.01
  5. Step 5: Solve for x
    x = 35,907,278.01/7,942.61
  6. Step 6: Final answer
    x = 4,520.84

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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.