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Finding the Fourth Proportional to 7,226.94, 9,972.99 and 4,040.03

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Solution

The fourth proportional to 7,226.94, 9,972.99 and 4,040.03 is: 5,575.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.94 : 9,972.99 = 4,040.03 : x
  2. Step 2: Convert to fraction form
    7,226.94/9,972.99 = 4,040.03/x
  3. Step 3: Cross multiply
    7,226.94x = 9,972.99 × 4,040.03
  4. Step 4: Simplify right side
    7,226.94x = 40,291,178.79
  5. Step 5: Solve for x
    x = 40,291,178.79/7,226.94
  6. Step 6: Final answer
    x = 5,575.14

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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.