Home / 8,481.28-12,723.60-2,637.64

Finding the Fourth Proportional to 8,481.28, 12,723.60 and 2,637.64

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Solution

The fourth proportional to 8,481.28, 12,723.60 and 2,637.64 is: 3,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.28 : 12,723.60 = 2,637.64 : x
  2. Step 2: Convert to fraction form
    8,481.28/12,723.60 = 2,637.64/x
  3. Step 3: Cross multiply
    8,481.28x = 12,723.60 × 2,637.64
  4. Step 4: Simplify right side
    8,481.28x = 33,560,276.30
  5. Step 5: Solve for x
    x = 33,560,276.30/8,481.28
  6. Step 6: Final answer
    x = 3,956.98

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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.