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Finding the Fourth Proportional to 5,262.76, 7,262.49 and 2,872.77

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Solution

The fourth proportional to 5,262.76, 7,262.49 and 2,872.77 is: 3,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.76 : 7,262.49 = 2,872.77 : x
  2. Step 2: Convert to fraction form
    5,262.76/7,262.49 = 2,872.77/x
  3. Step 3: Cross multiply
    5,262.76x = 7,262.49 × 2,872.77
  4. Step 4: Simplify right side
    5,262.76x = 20,863,485.25
  5. Step 5: Solve for x
    x = 20,863,485.25/5,262.76
  6. Step 6: Final answer
    x = 3,964.36

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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.