Home / 4,509.09-6,220.73-2,997.38

Finding the Fourth Proportional to 4,509.09, 6,220.73 and 2,997.38

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Solution

The fourth proportional to 4,509.09, 6,220.73 and 2,997.38 is: 4,135.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.09 : 6,220.73 = 2,997.38 : x
  2. Step 2: Convert to fraction form
    4,509.09/6,220.73 = 2,997.38/x
  3. Step 3: Cross multiply
    4,509.09x = 6,220.73 × 2,997.38
  4. Step 4: Simplify right side
    4,509.09x = 18,645,891.69
  5. Step 5: Solve for x
    x = 18,645,891.69/4,509.09
  6. Step 6: Final answer
    x = 4,135.18

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.