Home / 9,331.79-13,997.21-3,487.94

Finding the Fourth Proportional to 9,331.79, 13,997.21 and 3,487.94

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Solution

The fourth proportional to 9,331.79, 13,997.21 and 3,487.94 is: 5,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.79 : 13,997.21 = 3,487.94 : x
  2. Step 2: Convert to fraction form
    9,331.79/13,997.21 = 3,487.94/x
  3. Step 3: Cross multiply
    9,331.79x = 13,997.21 × 3,487.94
  4. Step 4: Simplify right side
    9,331.79x = 48,821,341.22
  5. Step 5: Solve for x
    x = 48,821,341.22/9,331.79
  6. Step 6: Final answer
    x = 5,231.73

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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.