Home / 5,451.62-8,176.26-2,489.22

Finding the Fourth Proportional to 5,451.62, 8,176.26 and 2,489.22

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Solution

The fourth proportional to 5,451.62, 8,176.26 and 2,489.22 is: 3,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.62 : 8,176.26 = 2,489.22 : x
  2. Step 2: Convert to fraction form
    5,451.62/8,176.26 = 2,489.22/x
  3. Step 3: Cross multiply
    5,451.62x = 8,176.26 × 2,489.22
  4. Step 4: Simplify right side
    5,451.62x = 20,352,509.92
  5. Step 5: Solve for x
    x = 20,352,509.92/5,451.62
  6. Step 6: Final answer
    x = 3,733.30

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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.