Home / 5,218.83-7,201.92-2,860.92

Finding the Fourth Proportional to 5,218.83, 7,201.92 and 2,860.92

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Solution

The fourth proportional to 5,218.83, 7,201.92 and 2,860.92 is: 3,948.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.83 : 7,201.92 = 2,860.92 : x
  2. Step 2: Convert to fraction form
    5,218.83/7,201.92 = 2,860.92/x
  3. Step 3: Cross multiply
    5,218.83x = 7,201.92 × 2,860.92
  4. Step 4: Simplify right side
    5,218.83x = 20,604,116.97
  5. Step 5: Solve for x
    x = 20,604,116.97/5,218.83
  6. Step 6: Final answer
    x = 3,948.03

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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.