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Finding the Fourth Proportional to 7,226.16, 9,972.04 and 4,082.36

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Solution

The fourth proportional to 7,226.16, 9,972.04 and 4,082.36 is: 5,633.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.16 : 9,972.04 = 4,082.36 : x
  2. Step 2: Convert to fraction form
    7,226.16/9,972.04 = 4,082.36/x
  3. Step 3: Cross multiply
    7,226.16x = 9,972.04 × 4,082.36
  4. Step 4: Simplify right side
    7,226.16x = 40,709,457.21
  5. Step 5: Solve for x
    x = 40,709,457.21/7,226.16
  6. Step 6: Final answer
    x = 5,633.62

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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.