Home / 4,450.36-6,142.78-2,939.02

Finding the Fourth Proportional to 4,450.36, 6,142.78 and 2,939.02

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Solution

The fourth proportional to 4,450.36, 6,142.78 and 2,939.02 is: 4,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,450.36 : 6,142.78 = 2,939.02 : x
  2. Step 2: Convert to fraction form
    4,450.36/6,142.78 = 2,939.02/x
  3. Step 3: Cross multiply
    4,450.36x = 6,142.78 × 2,939.02
  4. Step 4: Simplify right side
    4,450.36x = 18,053,738.58
  5. Step 5: Solve for x
    x = 18,053,738.58/4,450.36
  6. Step 6: Final answer
    x = 4,056.70

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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.