Home / 5,208.39-7,187.49-2,850.53

Finding the Fourth Proportional to 5,208.39, 7,187.49 and 2,850.53

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Solution

The fourth proportional to 5,208.39, 7,187.49 and 2,850.53 is: 3,933.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.39 : 7,187.49 = 2,850.53 : x
  2. Step 2: Convert to fraction form
    5,208.39/7,187.49 = 2,850.53/x
  3. Step 3: Cross multiply
    5,208.39x = 7,187.49 × 2,850.53
  4. Step 4: Simplify right side
    5,208.39x = 20,488,119.93
  5. Step 5: Solve for x
    x = 20,488,119.93/5,208.39
  6. Step 6: Final answer
    x = 3,933.68

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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.