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Finding the Fourth Proportional to 5,213.23, 7,194.22 and 2,855.32

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Solution

The fourth proportional to 5,213.23, 7,194.22 and 2,855.32 is: 3,940.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.23 : 7,194.22 = 2,855.32 : x
  2. Step 2: Convert to fraction form
    5,213.23/7,194.22 = 2,855.32/x
  3. Step 3: Cross multiply
    5,213.23x = 7,194.22 × 2,855.32
  4. Step 4: Simplify right side
    5,213.23x = 20,541,775.13
  5. Step 5: Solve for x
    x = 20,541,775.13/5,213.23
  6. Step 6: Final answer
    x = 3,940.32

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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.