Home / 9,231.30-13,845.57-2,991.86

Finding the Fourth Proportional to 9,231.30, 13,845.57 and 2,991.86

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Solution

The fourth proportional to 9,231.30, 13,845.57 and 2,991.86 is: 4,487.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.30 : 13,845.57 = 2,991.86 : x
  2. Step 2: Convert to fraction form
    9,231.30/13,845.57 = 2,991.86/x
  3. Step 3: Cross multiply
    9,231.30x = 13,845.57 × 2,991.86
  4. Step 4: Simplify right side
    9,231.30x = 41,423,937.83
  5. Step 5: Solve for x
    x = 41,423,937.83/9,231.30
  6. Step 6: Final answer
    x = 4,487.34

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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.