Home / 6,766.66-10,151-2,086.28

Finding the Fourth Proportional to 6,766.66, 10,151 and 2,086.28

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Solution

The fourth proportional to 6,766.66, 10,151 and 2,086.28 is: 3,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,766.66 : 10,151 = 2,086.28 : x
  2. Step 2: Convert to fraction form
    6,766.66/10,151 = 2,086.28/x
  3. Step 3: Cross multiply
    6,766.66x = 10,151 × 2,086.28
  4. Step 4: Simplify right side
    6,766.66x = 21,177,828.28
  5. Step 5: Solve for x
    x = 21,177,828.28/6,766.66
  6. Step 6: Final answer
    x = 3,129.73

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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.