Home / 5,114.44-7,664.37-2,519.20

Finding the Fourth Proportional to 5,114.44, 7,664.37 and 2,519.20

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Solution

The fourth proportional to 5,114.44, 7,664.37 and 2,519.20 is: 3,775.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.44 : 7,664.37 = 2,519.20 : x
  2. Step 2: Convert to fraction form
    5,114.44/7,664.37 = 2,519.20/x
  3. Step 3: Cross multiply
    5,114.44x = 7,664.37 × 2,519.20
  4. Step 4: Simplify right side
    5,114.44x = 19,308,080.90
  5. Step 5: Solve for x
    x = 19,308,080.90/5,114.44
  6. Step 6: Final answer
    x = 3,775.21

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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.