Home / 5,456.05-8,184.09-2,169.12

Finding the Fourth Proportional to 5,456.05, 8,184.09 and 2,169.12

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Solution

The fourth proportional to 5,456.05, 8,184.09 and 2,169.12 is: 3,253.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.05 : 8,184.09 = 2,169.12 : x
  2. Step 2: Convert to fraction form
    5,456.05/8,184.09 = 2,169.12/x
  3. Step 3: Cross multiply
    5,456.05x = 8,184.09 × 2,169.12
  4. Step 4: Simplify right side
    5,456.05x = 17,752,273.30
  5. Step 5: Solve for x
    x = 17,752,273.30/5,456.05
  6. Step 6: Final answer
    x = 3,253.69

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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.