Home / 4,908.03-6,772.32-2,811.75

Finding the Fourth Proportional to 4,908.03, 6,772.32 and 2,811.75

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Solution

The fourth proportional to 4,908.03, 6,772.32 and 2,811.75 is: 3,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.03 : 6,772.32 = 2,811.75 : x
  2. Step 2: Convert to fraction form
    4,908.03/6,772.32 = 2,811.75/x
  3. Step 3: Cross multiply
    4,908.03x = 6,772.32 × 2,811.75
  4. Step 4: Simplify right side
    4,908.03x = 19,042,070.76
  5. Step 5: Solve for x
    x = 19,042,070.76/4,908.03
  6. Step 6: Final answer
    x = 3,879.78

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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.