Home / 5,625.45-8,439.39-3,027.78

Finding the Fourth Proportional to 5,625.45, 8,439.39 and 3,027.78

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Solution

The fourth proportional to 5,625.45, 8,439.39 and 3,027.78 is: 4,542.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.45 : 8,439.39 = 3,027.78 : x
  2. Step 2: Convert to fraction form
    5,625.45/8,439.39 = 3,027.78/x
  3. Step 3: Cross multiply
    5,625.45x = 8,439.39 × 3,027.78
  4. Step 4: Simplify right side
    5,625.45x = 25,552,616.25
  5. Step 5: Solve for x
    x = 25,552,616.25/5,625.45
  6. Step 6: Final answer
    x = 4,542.32

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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.