Home / 5,208.31-7,187.61-2,850.46

Finding the Fourth Proportional to 5,208.31, 7,187.61 and 2,850.46

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Solution

The fourth proportional to 5,208.31, 7,187.61 and 2,850.46 is: 3,933.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.31 : 7,187.61 = 2,850.46 : x
  2. Step 2: Convert to fraction form
    5,208.31/7,187.61 = 2,850.46/x
  3. Step 3: Cross multiply
    5,208.31x = 7,187.61 × 2,850.46
  4. Step 4: Simplify right side
    5,208.31x = 20,487,994.80
  5. Step 5: Solve for x
    x = 20,487,994.80/5,208.31
  6. Step 6: Final answer
    x = 3,933.71

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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.