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Finding the Fourth Proportional to 7,195.91, 9,932.85 and 4,212.71

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Solution

The fourth proportional to 7,195.91, 9,932.85 and 4,212.71 is: 5,815.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.91 : 9,932.85 = 4,212.71 : x
  2. Step 2: Convert to fraction form
    7,195.91/9,932.85 = 4,212.71/x
  3. Step 3: Cross multiply
    7,195.91x = 9,932.85 × 4,212.71
  4. Step 4: Simplify right side
    7,195.91x = 41,844,215.96
  5. Step 5: Solve for x
    x = 41,844,215.96/7,195.91
  6. Step 6: Final answer
    x = 5,815.00

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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.