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Finding the Fourth Proportional to 9,841.56, 14,763.06 and 3,998.28

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Solution

The fourth proportional to 9,841.56, 14,763.06 and 3,998.28 is: 5,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,841.56 : 14,763.06 = 3,998.28 : x
  2. Step 2: Convert to fraction form
    9,841.56/14,763.06 = 3,998.28/x
  3. Step 3: Cross multiply
    9,841.56x = 14,763.06 × 3,998.28
  4. Step 4: Simplify right side
    9,841.56x = 59,026,847.54
  5. Step 5: Solve for x
    x = 59,026,847.54/9,841.56
  6. Step 6: Final answer
    x = 5,997.71

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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.