Home / 4,508.47-6,761.87-1,221.83

Finding the Fourth Proportional to 4,508.47, 6,761.87 and 1,221.83

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Solution

The fourth proportional to 4,508.47, 6,761.87 and 1,221.83 is: 1,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,508.47 : 6,761.87 = 1,221.83 : x
  2. Step 2: Convert to fraction form
    4,508.47/6,761.87 = 1,221.83/x
  3. Step 3: Cross multiply
    4,508.47x = 6,761.87 × 1,221.83
  4. Step 4: Simplify right side
    4,508.47x = 8,261,824.87
  5. Step 5: Solve for x
    x = 8,261,824.87/4,508.47
  6. Step 6: Final answer
    x = 1,832.51

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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.