Home / 6,669.25-9,202.77-3,979.97

Finding the Fourth Proportional to 6,669.25, 9,202.77 and 3,979.97

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Solution

The fourth proportional to 6,669.25, 9,202.77 and 3,979.97 is: 5,491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.25 : 9,202.77 = 3,979.97 : x
  2. Step 2: Convert to fraction form
    6,669.25/9,202.77 = 3,979.97/x
  3. Step 3: Cross multiply
    6,669.25x = 9,202.77 × 3,979.97
  4. Step 4: Simplify right side
    6,669.25x = 36,626,737.01
  5. Step 5: Solve for x
    x = 36,626,737.01/6,669.25
  6. Step 6: Final answer
    x = 5,491.88

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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.