Home / 5,180.24-7,764.44-2,577.36

Finding the Fourth Proportional to 5,180.24, 7,764.44 and 2,577.36

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Solution

The fourth proportional to 5,180.24, 7,764.44 and 2,577.36 is: 3,863.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.24 : 7,764.44 = 2,577.36 : x
  2. Step 2: Convert to fraction form
    5,180.24/7,764.44 = 2,577.36/x
  3. Step 3: Cross multiply
    5,180.24x = 7,764.44 × 2,577.36
  4. Step 4: Simplify right side
    5,180.24x = 20,011,757.08
  5. Step 5: Solve for x
    x = 20,011,757.08/5,180.24
  6. Step 6: Final answer
    x = 3,863.09

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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.