Home / 4,076.85-5,625.28-3,869.24

Finding the Fourth Proportional to 4,076.85, 5,625.28 and 3,869.24

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Solution

The fourth proportional to 4,076.85, 5,625.28 and 3,869.24 is: 5,338.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.85 : 5,625.28 = 3,869.24 : x
  2. Step 2: Convert to fraction form
    4,076.85/5,625.28 = 3,869.24/x
  3. Step 3: Cross multiply
    4,076.85x = 5,625.28 × 3,869.24
  4. Step 4: Simplify right side
    4,076.85x = 21,765,567.07
  5. Step 5: Solve for x
    x = 21,765,567.07/4,076.85
  6. Step 6: Final answer
    x = 5,338.82

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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.