Home / 8,180.33-11,290.61-4,821.91

Finding the Fourth Proportional to 8,180.33, 11,290.61 and 4,821.91

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Solution

The fourth proportional to 8,180.33, 11,290.61 and 4,821.91 is: 6,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.33 : 11,290.61 = 4,821.91 : x
  2. Step 2: Convert to fraction form
    8,180.33/11,290.61 = 4,821.91/x
  3. Step 3: Cross multiply
    8,180.33x = 11,290.61 × 4,821.91
  4. Step 4: Simplify right side
    8,180.33x = 54,442,289.09
  5. Step 5: Solve for x
    x = 54,442,289.09/8,180.33
  6. Step 6: Final answer
    x = 6,655.27

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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.