Home / 6,843.39-9,443.66-3,859.18

Finding the Fourth Proportional to 6,843.39, 9,443.66 and 3,859.18

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Solution

The fourth proportional to 6,843.39, 9,443.66 and 3,859.18 is: 5,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,843.39 : 9,443.66 = 3,859.18 : x
  2. Step 2: Convert to fraction form
    6,843.39/9,443.66 = 3,859.18/x
  3. Step 3: Cross multiply
    6,843.39x = 9,443.66 × 3,859.18
  4. Step 4: Simplify right side
    6,843.39x = 36,444,783.80
  5. Step 5: Solve for x
    x = 36,444,783.80/6,843.39
  6. Step 6: Final answer
    x = 5,325.55

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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.