Home / 8,498.25-12,745.45-3,231.39

Finding the Fourth Proportional to 8,498.25, 12,745.45 and 3,231.39

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Solution

The fourth proportional to 8,498.25, 12,745.45 and 3,231.39 is: 4,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498.25 : 12,745.45 = 3,231.39 : x
  2. Step 2: Convert to fraction form
    8,498.25/12,745.45 = 3,231.39/x
  3. Step 3: Cross multiply
    8,498.25x = 12,745.45 × 3,231.39
  4. Step 4: Simplify right side
    8,498.25x = 41,185,519.68
  5. Step 5: Solve for x
    x = 41,185,519.68/8,498.25
  6. Step 6: Final answer
    x = 4,846.35

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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.