Home / 8,042.49-12,057.26-3,428.73

Finding the Fourth Proportional to 8,042.49, 12,057.26 and 3,428.73

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Solution

The fourth proportional to 8,042.49, 12,057.26 and 3,428.73 is: 5,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.49 : 12,057.26 = 3,428.73 : x
  2. Step 2: Convert to fraction form
    8,042.49/12,057.26 = 3,428.73/x
  3. Step 3: Cross multiply
    8,042.49x = 12,057.26 × 3,428.73
  4. Step 4: Simplify right side
    8,042.49x = 41,341,071.94
  5. Step 5: Solve for x
    x = 41,341,071.94/8,042.49
  6. Step 6: Final answer
    x = 5,140.33

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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.