Home / 6,828.08-10,243.26-2,147.12

Finding the Fourth Proportional to 6,828.08, 10,243.26 and 2,147.12

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Solution

The fourth proportional to 6,828.08, 10,243.26 and 2,147.12 is: 3,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.08 : 10,243.26 = 2,147.12 : x
  2. Step 2: Convert to fraction form
    6,828.08/10,243.26 = 2,147.12/x
  3. Step 3: Cross multiply
    6,828.08x = 10,243.26 × 2,147.12
  4. Step 4: Simplify right side
    6,828.08x = 21,993,508.41
  5. Step 5: Solve for x
    x = 21,993,508.41/6,828.08
  6. Step 6: Final answer
    x = 3,221.04

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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.