Home / 5,629.41-7,766.69-3,269.61

Finding the Fourth Proportional to 5,629.41, 7,766.69 and 3,269.61

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Solution

The fourth proportional to 5,629.41, 7,766.69 and 3,269.61 is: 4,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.41 : 7,766.69 = 3,269.61 : x
  2. Step 2: Convert to fraction form
    5,629.41/7,766.69 = 3,269.61/x
  3. Step 3: Cross multiply
    5,629.41x = 7,766.69 × 3,269.61
  4. Step 4: Simplify right side
    5,629.41x = 25,394,030.94
  5. Step 5: Solve for x
    x = 25,394,030.94/5,629.41
  6. Step 6: Final answer
    x = 4,510.96

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Why These Related Problems?

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