Home / 8,745.06-13,119.57-2,821.94

Finding the Fourth Proportional to 8,745.06, 13,119.57 and 2,821.94

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Solution

The fourth proportional to 8,745.06, 13,119.57 and 2,821.94 is: 4,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.06 : 13,119.57 = 2,821.94 : x
  2. Step 2: Convert to fraction form
    8,745.06/13,119.57 = 2,821.94/x
  3. Step 3: Cross multiply
    8,745.06x = 13,119.57 × 2,821.94
  4. Step 4: Simplify right side
    8,745.06x = 37,022,622.97
  5. Step 5: Solve for x
    x = 37,022,622.97/8,745.06
  6. Step 6: Final answer
    x = 4,233.55

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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.