Home / 4,145.44-6,219.15-2,197.21

Finding the Fourth Proportional to 4,145.44, 6,219.15 and 2,197.21

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Solution

The fourth proportional to 4,145.44, 6,219.15 and 2,197.21 is: 3,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.44 : 6,219.15 = 2,197.21 : x
  2. Step 2: Convert to fraction form
    4,145.44/6,219.15 = 2,197.21/x
  3. Step 3: Cross multiply
    4,145.44x = 6,219.15 × 2,197.21
  4. Step 4: Simplify right side
    4,145.44x = 13,664,778.57
  5. Step 5: Solve for x
    x = 13,664,778.57/4,145.44
  6. Step 6: Final answer
    x = 3,296.34

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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.