Home / 5,308.11-7,959.80-2,185.56

Finding the Fourth Proportional to 5,308.11, 7,959.80 and 2,185.56

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Solution

The fourth proportional to 5,308.11, 7,959.80 and 2,185.56 is: 3,277.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.11 : 7,959.80 = 2,185.56 : x
  2. Step 2: Convert to fraction form
    5,308.11/7,959.80 = 2,185.56/x
  3. Step 3: Cross multiply
    5,308.11x = 7,959.80 × 2,185.56
  4. Step 4: Simplify right side
    5,308.11x = 17,396,625.95
  5. Step 5: Solve for x
    x = 17,396,625.95/5,308.11
  6. Step 6: Final answer
    x = 3,277.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.