Home / 5,550.90-8,330.43-2,629.19

Finding the Fourth Proportional to 5,550.90, 8,330.43 and 2,629.19

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Solution

The fourth proportional to 5,550.90, 8,330.43 and 2,629.19 is: 3,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.90 : 8,330.43 = 2,629.19 : x
  2. Step 2: Convert to fraction form
    5,550.90/8,330.43 = 2,629.19/x
  3. Step 3: Cross multiply
    5,550.90x = 8,330.43 × 2,629.19
  4. Step 4: Simplify right side
    5,550.90x = 21,902,313.94
  5. Step 5: Solve for x
    x = 21,902,313.94/5,550.90
  6. Step 6: Final answer
    x = 3,945.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.