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Finding the Fourth Proportional to 7,350.80, 11,033.40 and 3,657.20

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Solution

The fourth proportional to 7,350.80, 11,033.40 and 3,657.20 is: 5,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.80 : 11,033.40 = 3,657.20 : x
  2. Step 2: Convert to fraction form
    7,350.80/11,033.40 = 3,657.20/x
  3. Step 3: Cross multiply
    7,350.80x = 11,033.40 × 3,657.20
  4. Step 4: Simplify right side
    7,350.80x = 40,351,350.48
  5. Step 5: Solve for x
    x = 40,351,350.48/7,350.80
  6. Step 6: Final answer
    x = 5,489.38

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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.