Home / 4,218.87-6,330.18-2,268.80

Finding the Fourth Proportional to 4,218.87, 6,330.18 and 2,268.80

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Solution

The fourth proportional to 4,218.87, 6,330.18 and 2,268.80 is: 3,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.87 : 6,330.18 = 2,268.80 : x
  2. Step 2: Convert to fraction form
    4,218.87/6,330.18 = 2,268.80/x
  3. Step 3: Cross multiply
    4,218.87x = 6,330.18 × 2,268.80
  4. Step 4: Simplify right side
    4,218.87x = 14,361,880.73
  5. Step 5: Solve for x
    x = 14,361,880.73/4,218.87
  6. Step 6: Final answer
    x = 3,404.20

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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.