Home / 8,003.24-12,006.78-3,072.92

Finding the Fourth Proportional to 8,003.24, 12,006.78 and 3,072.92

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Solution

The fourth proportional to 8,003.24, 12,006.78 and 3,072.92 is: 4,610.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.24 : 12,006.78 = 3,072.92 : x
  2. Step 2: Convert to fraction form
    8,003.24/12,006.78 = 3,072.92/x
  3. Step 3: Cross multiply
    8,003.24x = 12,006.78 × 3,072.92
  4. Step 4: Simplify right side
    8,003.24x = 36,895,874.40
  5. Step 5: Solve for x
    x = 36,895,874.40/8,003.24
  6. Step 6: Final answer
    x = 4,610.12

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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.