Home / 5,208.09-7,187.15-2,850.23

Finding the Fourth Proportional to 5,208.09, 7,187.15 and 2,850.23

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Solution

The fourth proportional to 5,208.09, 7,187.15 and 2,850.23 is: 3,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.09 : 7,187.15 = 2,850.23 : x
  2. Step 2: Convert to fraction form
    5,208.09/7,187.15 = 2,850.23/x
  3. Step 3: Cross multiply
    5,208.09x = 7,187.15 × 2,850.23
  4. Step 4: Simplify right side
    5,208.09x = 20,485,001.73
  5. Step 5: Solve for x
    x = 20,485,001.73/5,208.09
  6. Step 6: Final answer
    x = 3,933.30

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Half scale
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Double 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.