Home / 8,243.89-12,366.78-2,695.66

Finding the Fourth Proportional to 8,243.89, 12,366.78 and 2,695.66

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Solution

The fourth proportional to 8,243.89, 12,366.78 and 2,695.66 is: 4,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.89 : 12,366.78 = 2,695.66 : x
  2. Step 2: Convert to fraction form
    8,243.89/12,366.78 = 2,695.66/x
  3. Step 3: Cross multiply
    8,243.89x = 12,366.78 × 2,695.66
  4. Step 4: Simplify right side
    8,243.89x = 33,336,634.17
  5. Step 5: Solve for x
    x = 33,336,634.17/8,243.89
  6. Step 6: Final answer
    x = 4,043.80

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1.5x scale

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.