Home / 5,208.48-7,187.64-2,850.60

Finding the Fourth Proportional to 5,208.48, 7,187.64 and 2,850.60

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Solution

The fourth proportional to 5,208.48, 7,187.64 and 2,850.60 is: 3,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.48 : 7,187.64 = 2,850.60 : x
  2. Step 2: Convert to fraction form
    5,208.48/7,187.64 = 2,850.60/x
  3. Step 3: Cross multiply
    5,208.48x = 7,187.64 × 2,850.60
  4. Step 4: Simplify right side
    5,208.48x = 20,489,086.58
  5. Step 5: Solve for x
    x = 20,489,086.58/5,208.48
  6. Step 6: Final answer
    x = 3,933.79

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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.