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Finding the Fourth Proportional to 4,363.06, 6,542.12 and 3,991.12

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Solution

The fourth proportional to 4,363.06, 6,542.12 and 3,991.12 is: 5,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,363.06 : 6,542.12 = 3,991.12 : x
  2. Step 2: Convert to fraction form
    4,363.06/6,542.12 = 3,991.12/x
  3. Step 3: Cross multiply
    4,363.06x = 6,542.12 × 3,991.12
  4. Step 4: Simplify right side
    4,363.06x = 26,110,391.05
  5. Step 5: Solve for x
    x = 26,110,391.05/4,363.06
  6. Step 6: Final answer
    x = 5,984.42

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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.