Home / 8,202.25-12,311.58-4,314.86

Finding the Fourth Proportional to 8,202.25, 12,311.58 and 4,314.86

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Solution

The fourth proportional to 8,202.25, 12,311.58 and 4,314.86 is: 6,476.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.25 : 12,311.58 = 4,314.86 : x
  2. Step 2: Convert to fraction form
    8,202.25/12,311.58 = 4,314.86/x
  3. Step 3: Cross multiply
    8,202.25x = 12,311.58 × 4,314.86
  4. Step 4: Simplify right side
    8,202.25x = 53,122,744.08
  5. Step 5: Solve for x
    x = 53,122,744.08/8,202.25
  6. Step 6: Final answer
    x = 6,476.61

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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.