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Finding the Fourth Proportional to 4,984.32, 7,481.08 and 2,520.86

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Solution

The fourth proportional to 4,984.32, 7,481.08 and 2,520.86 is: 3,783.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.32 : 7,481.08 = 2,520.86 : x
  2. Step 2: Convert to fraction form
    4,984.32/7,481.08 = 2,520.86/x
  3. Step 3: Cross multiply
    4,984.32x = 7,481.08 × 2,520.86
  4. Step 4: Simplify right side
    4,984.32x = 18,858,755.33
  5. Step 5: Solve for x
    x = 18,858,755.33/4,984.32
  6. Step 6: Final answer
    x = 3,783.62

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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.