Home / 5,550.72-7,661.07-3,563.79

Finding the Fourth Proportional to 5,550.72, 7,661.07 and 3,563.79

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Solution

The fourth proportional to 5,550.72, 7,661.07 and 3,563.79 is: 4,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.72 : 7,661.07 = 3,563.79 : x
  2. Step 2: Convert to fraction form
    5,550.72/7,661.07 = 3,563.79/x
  3. Step 3: Cross multiply
    5,550.72x = 7,661.07 × 3,563.79
  4. Step 4: Simplify right side
    5,550.72x = 27,302,444.66
  5. Step 5: Solve for x
    x = 27,302,444.66/5,550.72
  6. Step 6: Final answer
    x = 4,918.72

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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.