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Finding the Fourth Proportional to 7,223.92, 9,969.14 and 4,080.11

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Solution

The fourth proportional to 7,223.92, 9,969.14 and 4,080.11 is: 5,630.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.92 : 9,969.14 = 4,080.11 : x
  2. Step 2: Convert to fraction form
    7,223.92/9,969.14 = 4,080.11/x
  3. Step 3: Cross multiply
    7,223.92x = 9,969.14 × 4,080.11
  4. Step 4: Simplify right side
    7,223.92x = 40,675,148.16
  5. Step 5: Solve for x
    x = 40,675,148.16/7,223.92
  6. Step 6: Final answer
    x = 5,630.62

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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.