Home / 4,917.01-6,785.26-2,678.91

Finding the Fourth Proportional to 4,917.01, 6,785.26 and 2,678.91

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Solution

The fourth proportional to 4,917.01, 6,785.26 and 2,678.91 is: 3,696.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.01 : 6,785.26 = 2,678.91 : x
  2. Step 2: Convert to fraction form
    4,917.01/6,785.26 = 2,678.91/x
  3. Step 3: Cross multiply
    4,917.01x = 6,785.26 × 2,678.91
  4. Step 4: Simplify right side
    4,917.01x = 18,177,100.87
  5. Step 5: Solve for x
    x = 18,177,100.87/4,917.01
  6. Step 6: Final answer
    x = 3,696.78

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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.