Home / 8,201.99-12,295.47-3,982.79

Finding the Fourth Proportional to 8,201.99, 12,295.47 and 3,982.79

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Solution

The fourth proportional to 8,201.99, 12,295.47 and 3,982.79 is: 5,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.99 : 12,295.47 = 3,982.79 : x
  2. Step 2: Convert to fraction form
    8,201.99/12,295.47 = 3,982.79/x
  3. Step 3: Cross multiply
    8,201.99x = 12,295.47 × 3,982.79
  4. Step 4: Simplify right side
    8,201.99x = 48,970,253.61
  5. Step 5: Solve for x
    x = 48,970,253.61/8,201.99
  6. Step 6: Final answer
    x = 5,970.53

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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.