Home / 6,542.82-9,028.67-3,890.43

Finding the Fourth Proportional to 6,542.82, 9,028.67 and 3,890.43

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Solution

The fourth proportional to 6,542.82, 9,028.67 and 3,890.43 is: 5,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.82 : 9,028.67 = 3,890.43 : x
  2. Step 2: Convert to fraction form
    6,542.82/9,028.67 = 3,890.43/x
  3. Step 3: Cross multiply
    6,542.82x = 9,028.67 × 3,890.43
  4. Step 4: Simplify right side
    6,542.82x = 35,125,389.18
  5. Step 5: Solve for x
    x = 35,125,389.18/6,542.82
  6. Step 6: Final answer
    x = 5,368.54

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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.