Home / 8,146.14-12,210.66-3,766.47

Finding the Fourth Proportional to 8,146.14, 12,210.66 and 3,766.47

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Solution

The fourth proportional to 8,146.14, 12,210.66 and 3,766.47 is: 5,645.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.14 : 12,210.66 = 3,766.47 : x
  2. Step 2: Convert to fraction form
    8,146.14/12,210.66 = 3,766.47/x
  3. Step 3: Cross multiply
    8,146.14x = 12,210.66 × 3,766.47
  4. Step 4: Simplify right side
    8,146.14x = 45,991,084.57
  5. Step 5: Solve for x
    x = 45,991,084.57/8,146.14
  6. Step 6: Final answer
    x = 5,645.75

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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.