Home / 5,028.46-7,541.21-1,906.21

Finding the Fourth Proportional to 5,028.46, 7,541.21 and 1,906.21

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Solution

The fourth proportional to 5,028.46, 7,541.21 and 1,906.21 is: 2,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.46 : 7,541.21 = 1,906.21 : x
  2. Step 2: Convert to fraction form
    5,028.46/7,541.21 = 1,906.21/x
  3. Step 3: Cross multiply
    5,028.46x = 7,541.21 × 1,906.21
  4. Step 4: Simplify right side
    5,028.46x = 14,375,129.91
  5. Step 5: Solve for x
    x = 14,375,129.91/5,028.46
  6. Step 6: Final answer
    x = 2,858.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.