Home / 5,218.41-7,201.33-2,860.56

Finding the Fourth Proportional to 5,218.41, 7,201.33 and 2,860.56

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Solution

The fourth proportional to 5,218.41, 7,201.33 and 2,860.56 is: 3,947.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.41 : 7,201.33 = 2,860.56 : x
  2. Step 2: Convert to fraction form
    5,218.41/7,201.33 = 2,860.56/x
  3. Step 3: Cross multiply
    5,218.41x = 7,201.33 × 2,860.56
  4. Step 4: Simplify right side
    5,218.41x = 20,599,786.24
  5. Step 5: Solve for x
    x = 20,599,786.24/5,218.41
  6. Step 6: Final answer
    x = 3,947.52

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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.