Home / 5,453.40-8,179.20-2,166.27

Finding the Fourth Proportional to 5,453.40, 8,179.20 and 2,166.27

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Solution

The fourth proportional to 5,453.40, 8,179.20 and 2,166.27 is: 3,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.40 : 8,179.20 = 2,166.27 : x
  2. Step 2: Convert to fraction form
    5,453.40/8,179.20 = 2,166.27/x
  3. Step 3: Cross multiply
    5,453.40x = 8,179.20 × 2,166.27
  4. Step 4: Simplify right side
    5,453.40x = 17,718,355.58
  5. Step 5: Solve for x
    x = 17,718,355.58/5,453.40
  6. Step 6: Final answer
    x = 3,249.05

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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.