Home / 4,939.97-6,819.64-3,818.37

Finding the Fourth Proportional to 4,939.97, 6,819.64 and 3,818.37

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Solution

The fourth proportional to 4,939.97, 6,819.64 and 3,818.37 is: 5,271.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.97 : 6,819.64 = 3,818.37 : x
  2. Step 2: Convert to fraction form
    4,939.97/6,819.64 = 3,818.37/x
  3. Step 3: Cross multiply
    4,939.97x = 6,819.64 × 3,818.37
  4. Step 4: Simplify right side
    4,939.97x = 26,039,889.69
  5. Step 5: Solve for x
    x = 26,039,889.69/4,939.97
  6. Step 6: Final answer
    x = 5,271.26

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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.