Home / 5,456.25-8,184.38-1,352.25

Finding the Fourth Proportional to 5,456.25, 8,184.38 and 1,352.25

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Solution

The fourth proportional to 5,456.25, 8,184.38 and 1,352.25 is: 2,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.25 : 8,184.38 = 1,352.25 : x
  2. Step 2: Convert to fraction form
    5,456.25/8,184.38 = 1,352.25/x
  3. Step 3: Cross multiply
    5,456.25x = 8,184.38 × 1,352.25
  4. Step 4: Simplify right side
    5,456.25x = 11,067,321.09
  5. Step 5: Solve for x
    x = 11,067,321.09/5,456.25
  6. Step 6: Final answer
    x = 2,028.38

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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.