Home / 6,511.16-9,766.90-2,132.60

Finding the Fourth Proportional to 6,511.16, 9,766.90 and 2,132.60

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Solution

The fourth proportional to 6,511.16, 9,766.90 and 2,132.60 is: 3,198.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.16 : 9,766.90 = 2,132.60 : x
  2. Step 2: Convert to fraction form
    6,511.16/9,766.90 = 2,132.60/x
  3. Step 3: Cross multiply
    6,511.16x = 9,766.90 × 2,132.60
  4. Step 4: Simplify right side
    6,511.16x = 20,828,890.94
  5. Step 5: Solve for x
    x = 20,828,890.94/6,511.16
  6. Step 6: Final answer
    x = 3,198.95

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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.