Home / 8,573.82-12,861.66-2,729.06

Finding the Fourth Proportional to 8,573.82, 12,861.66 and 2,729.06

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Solution

The fourth proportional to 8,573.82, 12,861.66 and 2,729.06 is: 4,093.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573.82 : 12,861.66 = 2,729.06 : x
  2. Step 2: Convert to fraction form
    8,573.82/12,861.66 = 2,729.06/x
  3. Step 3: Cross multiply
    8,573.82x = 12,861.66 × 2,729.06
  4. Step 4: Simplify right side
    8,573.82x = 35,100,241.84
  5. Step 5: Solve for x
    x = 35,100,241.84/8,573.82
  6. Step 6: Final answer
    x = 4,093.89

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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.