Home / 6,665.36-9,198.38-3,833.40

Finding the Fourth Proportional to 6,665.36, 9,198.38 and 3,833.40

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Solution

The fourth proportional to 6,665.36, 9,198.38 and 3,833.40 is: 5,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.36 : 9,198.38 = 3,833.40 : x
  2. Step 2: Convert to fraction form
    6,665.36/9,198.38 = 3,833.40/x
  3. Step 3: Cross multiply
    6,665.36x = 9,198.38 × 3,833.40
  4. Step 4: Simplify right side
    6,665.36x = 35,261,069.89
  5. Step 5: Solve for x
    x = 35,261,069.89/6,665.36
  6. Step 6: Final answer
    x = 5,290.20

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Half scale
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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.