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Finding the Fourth Proportional to 7,226.75, 9,972.93 and 4,082.87

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Solution

The fourth proportional to 7,226.75, 9,972.93 and 4,082.87 is: 5,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.75 : 9,972.93 = 4,082.87 : x
  2. Step 2: Convert to fraction form
    7,226.75/9,972.93 = 4,082.87/x
  3. Step 3: Cross multiply
    7,226.75x = 9,972.93 × 4,082.87
  4. Step 4: Simplify right side
    7,226.75x = 40,718,176.71
  5. Step 5: Solve for x
    x = 40,718,176.71/7,226.75
  6. Step 6: Final answer
    x = 5,634.37

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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.