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Finding the Fourth Proportional to 8,194.58, 12,294.28 and 2,647.80

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Solution

The fourth proportional to 8,194.58, 12,294.28 and 2,647.80 is: 3,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194.58 : 12,294.28 = 2,647.80 : x
  2. Step 2: Convert to fraction form
    8,194.58/12,294.28 = 2,647.80/x
  3. Step 3: Cross multiply
    8,194.58x = 12,294.28 × 2,647.80
  4. Step 4: Simplify right side
    8,194.58x = 32,552,794.58
  5. Step 5: Solve for x
    x = 32,552,794.58/8,194.58
  6. Step 6: Final answer
    x = 3,972.48

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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.