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Finding the Fourth Proportional to 7,310.01, 10,963.81 and 2,629.15

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Solution

The fourth proportional to 7,310.01, 10,963.81 and 2,629.15 is: 3,943.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.01 : 10,963.81 = 2,629.15 : x
  2. Step 2: Convert to fraction form
    7,310.01/10,963.81 = 2,629.15/x
  3. Step 3: Cross multiply
    7,310.01x = 10,963.81 × 2,629.15
  4. Step 4: Simplify right side
    7,310.01x = 28,825,446.73
  5. Step 5: Solve for x
    x = 28,825,446.73/7,310.01
  6. Step 6: Final answer
    x = 3,943.28

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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.