Home / 4,222.25-6,319.79-2,245.15

Finding the Fourth Proportional to 4,222.25, 6,319.79 and 2,245.15

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Solution

The fourth proportional to 4,222.25, 6,319.79 and 2,245.15 is: 3,360.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.25 : 6,319.79 = 2,245.15 : x
  2. Step 2: Convert to fraction form
    4,222.25/6,319.79 = 2,245.15/x
  3. Step 3: Cross multiply
    4,222.25x = 6,319.79 × 2,245.15
  4. Step 4: Simplify right side
    4,222.25x = 14,188,833.69
  5. Step 5: Solve for x
    x = 14,188,833.69/4,222.25
  6. Step 6: Final answer
    x = 3,360.50

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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.