Home / 9,231.35-13,845.86-2,990.81

Finding the Fourth Proportional to 9,231.35, 13,845.86 and 2,990.81

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Solution

The fourth proportional to 9,231.35, 13,845.86 and 2,990.81 is: 4,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.35 : 13,845.86 = 2,990.81 : x
  2. Step 2: Convert to fraction form
    9,231.35/13,845.86 = 2,990.81/x
  3. Step 3: Cross multiply
    9,231.35x = 13,845.86 × 2,990.81
  4. Step 4: Simplify right side
    9,231.35x = 41,410,252.36
  5. Step 5: Solve for x
    x = 41,410,252.36/9,231.35
  6. Step 6: Final answer
    x = 4,485.83

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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.