Home / 5,028.91-6,939.96-2,790.85

Finding the Fourth Proportional to 5,028.91, 6,939.96 and 2,790.85

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Solution

The fourth proportional to 5,028.91, 6,939.96 and 2,790.85 is: 3,851.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.91 : 6,939.96 = 2,790.85 : x
  2. Step 2: Convert to fraction form
    5,028.91/6,939.96 = 2,790.85/x
  3. Step 3: Cross multiply
    5,028.91x = 6,939.96 × 2,790.85
  4. Step 4: Simplify right side
    5,028.91x = 19,368,387.37
  5. Step 5: Solve for x
    x = 19,368,387.37/5,028.91
  6. Step 6: Final answer
    x = 3,851.41

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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.