Home / 5,028.85-6,939.44-2,790.52

Finding the Fourth Proportional to 5,028.85, 6,939.44 and 2,790.52

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Solution

The fourth proportional to 5,028.85, 6,939.44 and 2,790.52 is: 3,850.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.85 : 6,939.44 = 2,790.52 : x
  2. Step 2: Convert to fraction form
    5,028.85/6,939.44 = 2,790.52/x
  3. Step 3: Cross multiply
    5,028.85x = 6,939.44 × 2,790.52
  4. Step 4: Simplify right side
    5,028.85x = 19,364,625.27
  5. Step 5: Solve for x
    x = 19,364,625.27/5,028.85
  6. Step 6: Final answer
    x = 3,850.71

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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.