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Finding the Fourth Proportional to 8,494.08, 12,740.49 and 2,650.50

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Solution

The fourth proportional to 8,494.08, 12,740.49 and 2,650.50 is: 3,975.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.08 : 12,740.49 = 2,650.50 : x
  2. Step 2: Convert to fraction form
    8,494.08/12,740.49 = 2,650.50/x
  3. Step 3: Cross multiply
    8,494.08x = 12,740.49 × 2,650.50
  4. Step 4: Simplify right side
    8,494.08x = 33,768,668.75
  5. Step 5: Solve for x
    x = 33,768,668.75/8,494.08
  6. Step 6: Final answer
    x = 3,975.55

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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.