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Finding the Fourth Proportional to 7,163.36, 10,740 and 2,777.12

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Solution

The fourth proportional to 7,163.36, 10,740 and 2,777.12 is: 4,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.36 : 10,740 = 2,777.12 : x
  2. Step 2: Convert to fraction form
    7,163.36/10,740 = 2,777.12/x
  3. Step 3: Cross multiply
    7,163.36x = 10,740 × 2,777.12
  4. Step 4: Simplify right side
    7,163.36x = 29,826,268.80
  5. Step 5: Solve for x
    x = 29,826,268.80/7,163.36
  6. Step 6: Final answer
    x = 4,163.73

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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.