Home / 7,861.08-11,795.67-3,481.61

Finding the Fourth Proportional to 7,861.08, 11,795.67 and 3,481.61

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Solution

The fourth proportional to 7,861.08, 11,795.67 and 3,481.61 is: 5,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.08 : 11,795.67 = 3,481.61 : x
  2. Step 2: Convert to fraction form
    7,861.08/11,795.67 = 3,481.61/x
  3. Step 3: Cross multiply
    7,861.08x = 11,795.67 × 3,481.61
  4. Step 4: Simplify right side
    7,861.08x = 41,067,922.63
  5. Step 5: Solve for x
    x = 41,067,922.63/7,861.08
  6. Step 6: Final answer
    x = 5,224.21

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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.