Home / 5,457.43-8,183.71-1,992.25

Finding the Fourth Proportional to 5,457.43, 8,183.71 and 1,992.25

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Solution

The fourth proportional to 5,457.43, 8,183.71 and 1,992.25 is: 2,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.43 : 8,183.71 = 1,992.25 : x
  2. Step 2: Convert to fraction form
    5,457.43/8,183.71 = 1,992.25/x
  3. Step 3: Cross multiply
    5,457.43x = 8,183.71 × 1,992.25
  4. Step 4: Simplify right side
    5,457.43x = 16,303,996.25
  5. Step 5: Solve for x
    x = 16,303,996.25/5,457.43
  6. Step 6: Final answer
    x = 2,987.49

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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.