Home / 5,028.76-7,540.81-2,949.39

Finding the Fourth Proportional to 5,028.76, 7,540.81 and 2,949.39

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Solution

The fourth proportional to 5,028.76, 7,540.81 and 2,949.39 is: 4,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.76 : 7,540.81 = 2,949.39 : x
  2. Step 2: Convert to fraction form
    5,028.76/7,540.81 = 2,949.39/x
  3. Step 3: Cross multiply
    5,028.76x = 7,540.81 × 2,949.39
  4. Step 4: Simplify right side
    5,028.76x = 22,240,782.23
  5. Step 5: Solve for x
    x = 22,240,782.23/5,028.76
  6. Step 6: Final answer
    x = 4,422.72

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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.