Home / 8,078.22-11,149.92-4,937.04

Finding the Fourth Proportional to 8,078.22, 11,149.92 and 4,937.04

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Solution

The fourth proportional to 8,078.22, 11,149.92 and 4,937.04 is: 6,814.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.22 : 11,149.92 = 4,937.04 : x
  2. Step 2: Convert to fraction form
    8,078.22/11,149.92 = 4,937.04/x
  3. Step 3: Cross multiply
    8,078.22x = 11,149.92 × 4,937.04
  4. Step 4: Simplify right side
    8,078.22x = 55,047,601.04
  5. Step 5: Solve for x
    x = 55,047,601.04/8,078.22
  6. Step 6: Final answer
    x = 6,814.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.