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Finding the Fourth Proportional to 7,455.33, 11,204.19 and 7,179.21

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Solution

The fourth proportional to 7,455.33, 11,204.19 and 7,179.21 is: 10,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.33 : 11,204.19 = 7,179.21 : x
  2. Step 2: Convert to fraction form
    7,455.33/11,204.19 = 7,179.21/x
  3. Step 3: Cross multiply
    7,455.33x = 11,204.19 × 7,179.21
  4. Step 4: Simplify right side
    7,455.33x = 80,437,232.89
  5. Step 5: Solve for x
    x = 80,437,232.89/7,455.33
  6. Step 6: Final answer
    x = 10,789.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.