Home / 7,371.12-11,057.44-2,440.96

Finding the Fourth Proportional to 7,371.12, 11,057.44 and 2,440.96

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Solution

The fourth proportional to 7,371.12, 11,057.44 and 2,440.96 is: 3,661.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.12 : 11,057.44 = 2,440.96 : x
  2. Step 2: Convert to fraction form
    7,371.12/11,057.44 = 2,440.96/x
  3. Step 3: Cross multiply
    7,371.12x = 11,057.44 × 2,440.96
  4. Step 4: Simplify right side
    7,371.12x = 26,990,768.74
  5. Step 5: Solve for x
    x = 26,990,768.74/7,371.12
  6. Step 6: Final answer
    x = 3,661.69

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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.