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Finding the Fourth Proportional to 8,194.71, 12,293.67 and 2,649.45

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Solution

The fourth proportional to 8,194.71, 12,293.67 and 2,649.45 is: 3,974.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194.71 : 12,293.67 = 2,649.45 : x
  2. Step 2: Convert to fraction form
    8,194.71/12,293.67 = 2,649.45/x
  3. Step 3: Cross multiply
    8,194.71x = 12,293.67 × 2,649.45
  4. Step 4: Simplify right side
    8,194.71x = 32,571,463.98
  5. Step 5: Solve for x
    x = 32,571,463.98/8,194.71
  6. Step 6: Final answer
    x = 3,974.69

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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.