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Finding the Fourth Proportional to 5,213.16, 7,194.02 and 2,855.25

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Solution

The fourth proportional to 5,213.16, 7,194.02 and 2,855.25 is: 3,940.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.16 : 7,194.02 = 2,855.25 : x
  2. Step 2: Convert to fraction form
    5,213.16/7,194.02 = 2,855.25/x
  3. Step 3: Cross multiply
    5,213.16x = 7,194.02 × 2,855.25
  4. Step 4: Simplify right side
    5,213.16x = 20,540,711.33
  5. Step 5: Solve for x
    x = 20,540,711.33/5,213.16
  6. Step 6: Final answer
    x = 3,940.17

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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.