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Finding the Fourth Proportional to 8,294.40, 12,441.60 and 4,400.64

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Solution

The fourth proportional to 8,294.40, 12,441.60 and 4,400.64 is: 6,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,294.40 : 12,441.60 = 4,400.64 : x
  2. Step 2: Convert to fraction form
    8,294.40/12,441.60 = 4,400.64/x
  3. Step 3: Cross multiply
    8,294.40x = 12,441.60 × 4,400.64
  4. Step 4: Simplify right side
    8,294.40x = 54,751,002.62
  5. Step 5: Solve for x
    x = 54,751,002.62/8,294.40
  6. Step 6: Final answer
    x = 6,600.96

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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.