Home / 5,028.69-6,939.99-2,791

Finding the Fourth Proportional to 5,028.69, 6,939.99 and 2,791

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Solution

The fourth proportional to 5,028.69, 6,939.99 and 2,791 is: 3,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.69 : 6,939.99 = 2,791 : x
  2. Step 2: Convert to fraction form
    5,028.69/6,939.99 = 2,791/x
  3. Step 3: Cross multiply
    5,028.69x = 6,939.99 × 2,791
  4. Step 4: Simplify right side
    5,028.69x = 19,369,512.09
  5. Step 5: Solve for x
    x = 19,369,512.09/5,028.69
  6. Step 6: Final answer
    x = 3,851.80

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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.