Home / 4,150.62-6,216.84-3,218.90

Finding the Fourth Proportional to 4,150.62, 6,216.84 and 3,218.90

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Solution

The fourth proportional to 4,150.62, 6,216.84 and 3,218.90 is: 4,821.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,150.62 : 6,216.84 = 3,218.90 : x
  2. Step 2: Convert to fraction form
    4,150.62/6,216.84 = 3,218.90/x
  3. Step 3: Cross multiply
    4,150.62x = 6,216.84 × 3,218.90
  4. Step 4: Simplify right side
    4,150.62x = 20,011,355.19
  5. Step 5: Solve for x
    x = 20,011,355.19/4,150.62
  6. Step 6: Final answer
    x = 4,821.29

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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.