Home / 5,266.72-7,268.79-3,028.54

Finding the Fourth Proportional to 5,266.72, 7,268.79 and 3,028.54

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Solution

The fourth proportional to 5,266.72, 7,268.79 and 3,028.54 is: 4,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.72 : 7,268.79 = 3,028.54 : x
  2. Step 2: Convert to fraction form
    5,266.72/7,268.79 = 3,028.54/x
  3. Step 3: Cross multiply
    5,266.72x = 7,268.79 × 3,028.54
  4. Step 4: Simplify right side
    5,266.72x = 22,013,830.21
  5. Step 5: Solve for x
    x = 22,013,830.21/5,266.72
  6. Step 6: Final answer
    x = 4,179.80

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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.