Home / 5,208.08-7,187.09-2,850.19

Finding the Fourth Proportional to 5,208.08, 7,187.09 and 2,850.19

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Solution

The fourth proportional to 5,208.08, 7,187.09 and 2,850.19 is: 3,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.08 : 7,187.09 = 2,850.19 : x
  2. Step 2: Convert to fraction form
    5,208.08/7,187.09 = 2,850.19/x
  3. Step 3: Cross multiply
    5,208.08x = 7,187.09 × 2,850.19
  4. Step 4: Simplify right side
    5,208.08x = 20,484,539.83
  5. Step 5: Solve for x
    x = 20,484,539.83/5,208.08
  6. Step 6: Final answer
    x = 3,933.23

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Half scale
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Double scale
Find fourth proportional to 5,209.08, 7,188.46 and 2,851.19
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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.