Home / 4,090.74-6,139.22-2,997.96

Finding the Fourth Proportional to 4,090.74, 6,139.22 and 2,997.96

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Solution

The fourth proportional to 4,090.74, 6,139.22 and 2,997.96 is: 4,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.74 : 6,139.22 = 2,997.96 : x
  2. Step 2: Convert to fraction form
    4,090.74/6,139.22 = 2,997.96/x
  3. Step 3: Cross multiply
    4,090.74x = 6,139.22 × 2,997.96
  4. Step 4: Simplify right side
    4,090.74x = 18,405,135.99
  5. Step 5: Solve for x
    x = 18,405,135.99/4,090.74
  6. Step 6: Final answer
    x = 4,499.22

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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.