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Finding the Fourth Proportional to 8,173.85, 12,250.01 and 3,240.80

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Solution

The fourth proportional to 8,173.85, 12,250.01 and 3,240.80 is: 4,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.85 : 12,250.01 = 3,240.80 : x
  2. Step 2: Convert to fraction form
    8,173.85/12,250.01 = 3,240.80/x
  3. Step 3: Cross multiply
    8,173.85x = 12,250.01 × 3,240.80
  4. Step 4: Simplify right side
    8,173.85x = 39,699,754.95
  5. Step 5: Solve for x
    x = 39,699,754.95/8,173.85
  6. Step 6: Final answer
    x = 4,856.93

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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.