Home / 4,188-5,777.32-2,418.52

Finding the Fourth Proportional to 4,188, 5,777.32 and 2,418.52

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Solution

The fourth proportional to 4,188, 5,777.32 and 2,418.52 is: 3,336.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188 : 5,777.32 = 2,418.52 : x
  2. Step 2: Convert to fraction form
    4,188/5,777.32 = 2,418.52/x
  3. Step 3: Cross multiply
    4,188x = 5,777.32 × 2,418.52
  4. Step 4: Simplify right side
    4,188x = 13,972,563.97
  5. Step 5: Solve for x
    x = 13,972,563.97/4,188
  6. Step 6: Final answer
    x = 3,336.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.