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Finding the Fourth Proportional to 7,195.92, 9,929.03 and 4,211.88

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Solution

The fourth proportional to 7,195.92, 9,929.03 and 4,211.88 is: 5,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.92 : 9,929.03 = 4,211.88 : x
  2. Step 2: Convert to fraction form
    7,195.92/9,929.03 = 4,211.88/x
  3. Step 3: Cross multiply
    7,195.92x = 9,929.03 × 4,211.88
  4. Step 4: Simplify right side
    7,195.92x = 41,819,861.82
  5. Step 5: Solve for x
    x = 41,819,861.82/7,195.92
  6. Step 6: Final answer
    x = 5,811.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.