Home / 5,208.50-7,187.97-2,850.74

Finding the Fourth Proportional to 5,208.50, 7,187.97 and 2,850.74

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Solution

The fourth proportional to 5,208.50, 7,187.97 and 2,850.74 is: 3,934.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.50 : 7,187.97 = 2,850.74 : x
  2. Step 2: Convert to fraction form
    5,208.50/7,187.97 = 2,850.74/x
  3. Step 3: Cross multiply
    5,208.50x = 7,187.97 × 2,850.74
  4. Step 4: Simplify right side
    5,208.50x = 20,491,033.60
  5. Step 5: Solve for x
    x = 20,491,033.60/5,208.50
  6. Step 6: Final answer
    x = 3,934.15

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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.