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Finding the Fourth Proportional to 6,550.68, 9,039.78 and 3,756

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Solution

The fourth proportional to 6,550.68, 9,039.78 and 3,756 is: 5,183.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,550.68 : 9,039.78 = 3,756 : x
  2. Step 2: Convert to fraction form
    6,550.68/9,039.78 = 3,756/x
  3. Step 3: Cross multiply
    6,550.68x = 9,039.78 × 3,756
  4. Step 4: Simplify right side
    6,550.68x = 33,953,413.68
  5. Step 5: Solve for x
    x = 33,953,413.68/6,550.68
  6. Step 6: Final answer
    x = 5,183.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.