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Finding the Fourth Proportional to 7,234.97, 9,982.64 and 4,403.81

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Solution

The fourth proportional to 7,234.97, 9,982.64 and 4,403.81 is: 6,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,234.97 : 9,982.64 = 4,403.81 : x
  2. Step 2: Convert to fraction form
    7,234.97/9,982.64 = 4,403.81/x
  3. Step 3: Cross multiply
    7,234.97x = 9,982.64 × 4,403.81
  4. Step 4: Simplify right side
    7,234.97x = 43,961,685.82
  5. Step 5: Solve for x
    x = 43,961,685.82/7,234.97
  6. Step 6: Final answer
    x = 6,076.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.