Home / 4,507.78-6,213.62-3,179.38

Finding the Fourth Proportional to 4,507.78, 6,213.62 and 3,179.38

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Solution

The fourth proportional to 4,507.78, 6,213.62 and 3,179.38 is: 4,382.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.78 : 6,213.62 = 3,179.38 : x
  2. Step 2: Convert to fraction form
    4,507.78/6,213.62 = 3,179.38/x
  3. Step 3: Cross multiply
    4,507.78x = 6,213.62 × 3,179.38
  4. Step 4: Simplify right side
    4,507.78x = 19,755,459.16
  5. Step 5: Solve for x
    x = 19,755,459.16/4,507.78
  6. Step 6: Final answer
    x = 4,382.53

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.