Home / 4,221.42-6,336.59-3,450.30

Finding the Fourth Proportional to 4,221.42, 6,336.59 and 3,450.30

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Solution

The fourth proportional to 4,221.42, 6,336.59 and 3,450.30 is: 5,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.42 : 6,336.59 = 3,450.30 : x
  2. Step 2: Convert to fraction form
    4,221.42/6,336.59 = 3,450.30/x
  3. Step 3: Cross multiply
    4,221.42x = 6,336.59 × 3,450.30
  4. Step 4: Simplify right side
    4,221.42x = 21,863,119.23
  5. Step 5: Solve for x
    x = 21,863,119.23/4,221.42
  6. Step 6: Final answer
    x = 5,179.09

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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.