Home / 4,467.16-6,694.70-2,128.20

Finding the Fourth Proportional to 4,467.16, 6,694.70 and 2,128.20

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Solution

The fourth proportional to 4,467.16, 6,694.70 and 2,128.20 is: 3,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,467.16 : 6,694.70 = 2,128.20 : x
  2. Step 2: Convert to fraction form
    4,467.16/6,694.70 = 2,128.20/x
  3. Step 3: Cross multiply
    4,467.16x = 6,694.70 × 2,128.20
  4. Step 4: Simplify right side
    4,467.16x = 14,247,660.54
  5. Step 5: Solve for x
    x = 14,247,660.54/4,467.16
  6. Step 6: Final answer
    x = 3,189.42

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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.