Home / 4,939.62-6,780.38-4,367.56

Finding the Fourth Proportional to 4,939.62, 6,780.38 and 4,367.56

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Solution

The fourth proportional to 4,939.62, 6,780.38 and 4,367.56 is: 5,995.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.62 : 6,780.38 = 4,367.56 : x
  2. Step 2: Convert to fraction form
    4,939.62/6,780.38 = 4,367.56/x
  3. Step 3: Cross multiply
    4,939.62x = 6,780.38 × 4,367.56
  4. Step 4: Simplify right side
    4,939.62x = 29,613,716.47
  5. Step 5: Solve for x
    x = 29,613,716.47/4,939.62
  6. Step 6: Final answer
    x = 5,995.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.