Home / 4,083.78-6,122.43-1,485.30

Finding the Fourth Proportional to 4,083.78, 6,122.43 and 1,485.30

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Solution

The fourth proportional to 4,083.78, 6,122.43 and 1,485.30 is: 2,226.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.78 : 6,122.43 = 1,485.30 : x
  2. Step 2: Convert to fraction form
    4,083.78/6,122.43 = 1,485.30/x
  3. Step 3: Cross multiply
    4,083.78x = 6,122.43 × 1,485.30
  4. Step 4: Simplify right side
    4,083.78x = 9,093,645.28
  5. Step 5: Solve for x
    x = 9,093,645.28/4,083.78
  6. Step 6: Final answer
    x = 2,226.77

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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.