Home / 5,028.15-6,939.17-2,790.27

Finding the Fourth Proportional to 5,028.15, 6,939.17 and 2,790.27

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Solution

The fourth proportional to 5,028.15, 6,939.17 and 2,790.27 is: 3,850.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.15 : 6,939.17 = 2,790.27 : x
  2. Step 2: Convert to fraction form
    5,028.15/6,939.17 = 2,790.27/x
  3. Step 3: Cross multiply
    5,028.15x = 6,939.17 × 2,790.27
  4. Step 4: Simplify right side
    5,028.15x = 19,362,143.92
  5. Step 5: Solve for x
    x = 19,362,143.92/5,028.15
  6. Step 6: Final answer
    x = 3,850.75

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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.