Home / 4,120.76-6,181.24-1,347.44

Finding the Fourth Proportional to 4,120.76, 6,181.24 and 1,347.44

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Solution

The fourth proportional to 4,120.76, 6,181.24 and 1,347.44 is: 2,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.76 : 6,181.24 = 1,347.44 : x
  2. Step 2: Convert to fraction form
    4,120.76/6,181.24 = 1,347.44/x
  3. Step 3: Cross multiply
    4,120.76x = 6,181.24 × 1,347.44
  4. Step 4: Simplify right side
    4,120.76x = 8,328,850.03
  5. Step 5: Solve for x
    x = 8,328,850.03/4,120.76
  6. Step 6: Final answer
    x = 2,021.19

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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.