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Finding the Fourth Proportional to 9,271.80, 13,912.02 and 3,351.11

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Solution

The fourth proportional to 9,271.80, 13,912.02 and 3,351.11 is: 5,028.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,271.80 : 13,912.02 = 3,351.11 : x
  2. Step 2: Convert to fraction form
    9,271.80/13,912.02 = 3,351.11/x
  3. Step 3: Cross multiply
    9,271.80x = 13,912.02 × 3,351.11
  4. Step 4: Simplify right side
    9,271.80x = 46,620,639.78
  5. Step 5: Solve for x
    x = 46,620,639.78/9,271.80
  6. Step 6: Final answer
    x = 5,028.22

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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.