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Finding the Fourth Proportional to 5,255.26, 7,252.12 and 2,897.34

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Solution

The fourth proportional to 5,255.26, 7,252.12 and 2,897.34 is: 3,998.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.26 : 7,252.12 = 2,897.34 : x
  2. Step 2: Convert to fraction form
    5,255.26/7,252.12 = 2,897.34/x
  3. Step 3: Cross multiply
    5,255.26x = 7,252.12 × 2,897.34
  4. Step 4: Simplify right side
    5,255.26x = 21,011,857.36
  5. Step 5: Solve for x
    x = 21,011,857.36/5,255.26
  6. Step 6: Final answer
    x = 3,998.25

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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.