Home / 6,211.72-9,319.66-2,511.96

Finding the Fourth Proportional to 6,211.72, 9,319.66 and 2,511.96

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Solution

The fourth proportional to 6,211.72, 9,319.66 and 2,511.96 is: 3,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.72 : 9,319.66 = 2,511.96 : x
  2. Step 2: Convert to fraction form
    6,211.72/9,319.66 = 2,511.96/x
  3. Step 3: Cross multiply
    6,211.72x = 9,319.66 × 2,511.96
  4. Step 4: Simplify right side
    6,211.72x = 23,410,613.13
  5. Step 5: Solve for x
    x = 23,410,613.13/6,211.72
  6. Step 6: Final answer
    x = 3,768.78

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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.