Home / 5,028.67-6,939.57-2,790.55

Finding the Fourth Proportional to 5,028.67, 6,939.57 and 2,790.55

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Solution

The fourth proportional to 5,028.67, 6,939.57 and 2,790.55 is: 3,850.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.67 : 6,939.57 = 2,790.55 : x
  2. Step 2: Convert to fraction form
    5,028.67/6,939.57 = 2,790.55/x
  3. Step 3: Cross multiply
    5,028.67x = 6,939.57 × 2,790.55
  4. Step 4: Simplify right side
    5,028.67x = 19,365,217.06
  5. Step 5: Solve for x
    x = 19,365,217.06/5,028.67
  6. Step 6: Final answer
    x = 3,850.96

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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.