Home / 4,928.29-6,806.84-3,923.39

Finding the Fourth Proportional to 4,928.29, 6,806.84 and 3,923.39

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Solution

The fourth proportional to 4,928.29, 6,806.84 and 3,923.39 is: 5,418.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.29 : 6,806.84 = 3,923.39 : x
  2. Step 2: Convert to fraction form
    4,928.29/6,806.84 = 3,923.39/x
  3. Step 3: Cross multiply
    4,928.29x = 6,806.84 × 3,923.39
  4. Step 4: Simplify right side
    4,928.29x = 26,705,847.10
  5. Step 5: Solve for x
    x = 26,705,847.10/4,928.29
  6. Step 6: Final answer
    x = 5,418.88

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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.