Home / 8,188.85-12,282.10-3,745.19

Finding the Fourth Proportional to 8,188.85, 12,282.10 and 3,745.19

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Solution

The fourth proportional to 8,188.85, 12,282.10 and 3,745.19 is: 5,617.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.85 : 12,282.10 = 3,745.19 : x
  2. Step 2: Convert to fraction form
    8,188.85/12,282.10 = 3,745.19/x
  3. Step 3: Cross multiply
    8,188.85x = 12,282.10 × 3,745.19
  4. Step 4: Simplify right side
    8,188.85x = 45,998,819.44
  5. Step 5: Solve for x
    x = 45,998,819.44/8,188.85
  6. Step 6: Final answer
    x = 5,617.25

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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.