Home / 5,645.22-8,467.83-2,183.28

Finding the Fourth Proportional to 5,645.22, 8,467.83 and 2,183.28

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Solution

The fourth proportional to 5,645.22, 8,467.83 and 2,183.28 is: 3,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.22 : 8,467.83 = 2,183.28 : x
  2. Step 2: Convert to fraction form
    5,645.22/8,467.83 = 2,183.28/x
  3. Step 3: Cross multiply
    5,645.22x = 8,467.83 × 2,183.28
  4. Step 4: Simplify right side
    5,645.22x = 18,487,643.88
  5. Step 5: Solve for x
    x = 18,487,643.88/5,645.22
  6. Step 6: Final answer
    x = 3,274.92

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Half scale
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Double scale
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Similar ratio
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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.