Home / 8,326.20-12,486.36-3,648.48

Finding the Fourth Proportional to 8,326.20, 12,486.36 and 3,648.48

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Solution

The fourth proportional to 8,326.20, 12,486.36 and 3,648.48 is: 5,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.20 : 12,486.36 = 3,648.48 : x
  2. Step 2: Convert to fraction form
    8,326.20/12,486.36 = 3,648.48/x
  3. Step 3: Cross multiply
    8,326.20x = 12,486.36 × 3,648.48
  4. Step 4: Simplify right side
    8,326.20x = 45,556,234.73
  5. Step 5: Solve for x
    x = 45,556,234.73/8,326.20
  6. Step 6: Final answer
    x = 5,471.43

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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.