Home / 4,304.40-5,939.28-3,639.84

Finding the Fourth Proportional to 4,304.40, 5,939.28 and 3,639.84

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Solution

The fourth proportional to 4,304.40, 5,939.28 and 3,639.84 is: 5,022.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,304.40 : 5,939.28 = 3,639.84 : x
  2. Step 2: Convert to fraction form
    4,304.40/5,939.28 = 3,639.84/x
  3. Step 3: Cross multiply
    4,304.40x = 5,939.28 × 3,639.84
  4. Step 4: Simplify right side
    4,304.40x = 21,618,028.92
  5. Step 5: Solve for x
    x = 21,618,028.92/4,304.40
  6. Step 6: Final answer
    x = 5,022.31

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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.