Home / 5,020.72-6,928.51-2,752.05

Finding the Fourth Proportional to 5,020.72, 6,928.51 and 2,752.05

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Solution

The fourth proportional to 5,020.72, 6,928.51 and 2,752.05 is: 3,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.72 : 6,928.51 = 2,752.05 : x
  2. Step 2: Convert to fraction form
    5,020.72/6,928.51 = 2,752.05/x
  3. Step 3: Cross multiply
    5,020.72x = 6,928.51 × 2,752.05
  4. Step 4: Simplify right side
    5,020.72x = 19,067,571.30
  5. Step 5: Solve for x
    x = 19,067,571.30/5,020.72
  6. Step 6: Final answer
    x = 3,797.78

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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.