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Finding the Fourth Proportional to 8,188.59, 12,274.05 and 3,962.92

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Solution

The fourth proportional to 8,188.59, 12,274.05 and 3,962.92 is: 5,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.59 : 12,274.05 = 3,962.92 : x
  2. Step 2: Convert to fraction form
    8,188.59/12,274.05 = 3,962.92/x
  3. Step 3: Cross multiply
    8,188.59x = 12,274.05 × 3,962.92
  4. Step 4: Simplify right side
    8,188.59x = 48,641,062.40
  5. Step 5: Solve for x
    x = 48,641,062.40/8,188.59
  6. Step 6: Final answer
    x = 5,940.11

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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.