Home / 6,917.02-10,377.60-3,221.44

Finding the Fourth Proportional to 6,917.02, 10,377.60 and 3,221.44

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Solution

The fourth proportional to 6,917.02, 10,377.60 and 3,221.44 is: 4,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.02 : 10,377.60 = 3,221.44 : x
  2. Step 2: Convert to fraction form
    6,917.02/10,377.60 = 3,221.44/x
  3. Step 3: Cross multiply
    6,917.02x = 10,377.60 × 3,221.44
  4. Step 4: Simplify right side
    6,917.02x = 33,430,815.74
  5. Step 5: Solve for x
    x = 33,430,815.74/6,917.02
  6. Step 6: Final answer
    x = 4,833.12

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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.