Home / 8,241.49-12,353.59-3,855.25

Finding the Fourth Proportional to 8,241.49, 12,353.59 and 3,855.25

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Solution

The fourth proportional to 8,241.49, 12,353.59 and 3,855.25 is: 5,778.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.49 : 12,353.59 = 3,855.25 : x
  2. Step 2: Convert to fraction form
    8,241.49/12,353.59 = 3,855.25/x
  3. Step 3: Cross multiply
    8,241.49x = 12,353.59 × 3,855.25
  4. Step 4: Simplify right side
    8,241.49x = 47,626,177.85
  5. Step 5: Solve for x
    x = 47,626,177.85/8,241.49
  6. Step 6: Final answer
    x = 5,778.83

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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.