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Finding the Fourth Proportional to 6,550.68, 9,039.79 and 3,825.68

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Solution

The fourth proportional to 6,550.68, 9,039.79 and 3,825.68 is: 5,279.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,550.68 : 9,039.79 = 3,825.68 : x
  2. Step 2: Convert to fraction form
    6,550.68/9,039.79 = 3,825.68/x
  3. Step 3: Cross multiply
    6,550.68x = 9,039.79 × 3,825.68
  4. Step 4: Simplify right side
    6,550.68x = 34,583,370.87
  5. Step 5: Solve for x
    x = 34,583,370.87/6,550.68
  6. Step 6: Final answer
    x = 5,279.36

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1.5x scale

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.