Home / 4,508.25-6,761.80-1,221.58

Finding the Fourth Proportional to 4,508.25, 6,761.80 and 1,221.58

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Solution

The fourth proportional to 4,508.25, 6,761.80 and 1,221.58 is: 1,832.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,508.25 : 6,761.80 = 1,221.58 : x
  2. Step 2: Convert to fraction form
    4,508.25/6,761.80 = 1,221.58/x
  3. Step 3: Cross multiply
    4,508.25x = 6,761.80 × 1,221.58
  4. Step 4: Simplify right side
    4,508.25x = 8,260,079.64
  5. Step 5: Solve for x
    x = 8,260,079.64/4,508.25
  6. Step 6: Final answer
    x = 1,832.21

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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.