Home / 4,917.21-6,785.48-2,792.69

Finding the Fourth Proportional to 4,917.21, 6,785.48 and 2,792.69

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Solution

The fourth proportional to 4,917.21, 6,785.48 and 2,792.69 is: 3,853.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.21 : 6,785.48 = 2,792.69 : x
  2. Step 2: Convert to fraction form
    4,917.21/6,785.48 = 2,792.69/x
  3. Step 3: Cross multiply
    4,917.21x = 6,785.48 × 2,792.69
  4. Step 4: Simplify right side
    4,917.21x = 18,949,694.25
  5. Step 5: Solve for x
    x = 18,949,694.25/4,917.21
  6. Step 6: Final answer
    x = 3,853.75

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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.