Home / 4,917.32-6,785.94-2,821.32

Finding the Fourth Proportional to 4,917.32, 6,785.94 and 2,821.32

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Solution

The fourth proportional to 4,917.32, 6,785.94 and 2,821.32 is: 3,893.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.32 : 6,785.94 = 2,821.32 : x
  2. Step 2: Convert to fraction form
    4,917.32/6,785.94 = 2,821.32/x
  3. Step 3: Cross multiply
    4,917.32x = 6,785.94 × 2,821.32
  4. Step 4: Simplify right side
    4,917.32x = 19,145,308.24
  5. Step 5: Solve for x
    x = 19,145,308.24/4,917.32
  6. Step 6: Final answer
    x = 3,893.44

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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.