Home / 8,150.49-12,228.03-3,992.85

Finding the Fourth Proportional to 8,150.49, 12,228.03 and 3,992.85

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Solution

The fourth proportional to 8,150.49, 12,228.03 and 3,992.85 is: 5,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.49 : 12,228.03 = 3,992.85 : x
  2. Step 2: Convert to fraction form
    8,150.49/12,228.03 = 3,992.85/x
  3. Step 3: Cross multiply
    8,150.49x = 12,228.03 × 3,992.85
  4. Step 4: Simplify right side
    8,150.49x = 48,824,689.59
  5. Step 5: Solve for x
    x = 48,824,689.59/8,150.49
  6. Step 6: Final answer
    x = 5,990.40

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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.