Home / 4,939.60-6,816.36-2,843.68

Finding the Fourth Proportional to 4,939.60, 6,816.36 and 2,843.68

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Solution

The fourth proportional to 4,939.60, 6,816.36 and 2,843.68 is: 3,924.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.60 : 6,816.36 = 2,843.68 : x
  2. Step 2: Convert to fraction form
    4,939.60/6,816.36 = 2,843.68/x
  3. Step 3: Cross multiply
    4,939.60x = 6,816.36 × 2,843.68
  4. Step 4: Simplify right side
    4,939.60x = 19,383,546.60
  5. Step 5: Solve for x
    x = 19,383,546.60/4,939.60
  6. Step 6: Final answer
    x = 3,924.11

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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.