Home / 4,755.38-7,133.49-1,245.38

Finding the Fourth Proportional to 4,755.38, 7,133.49 and 1,245.38

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Solution

The fourth proportional to 4,755.38, 7,133.49 and 1,245.38 is: 1,868.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.38 : 7,133.49 = 1,245.38 : x
  2. Step 2: Convert to fraction form
    4,755.38/7,133.49 = 1,245.38/x
  3. Step 3: Cross multiply
    4,755.38x = 7,133.49 × 1,245.38
  4. Step 4: Simplify right side
    4,755.38x = 8,883,863.88
  5. Step 5: Solve for x
    x = 8,883,863.88/4,755.38
  6. Step 6: Final answer
    x = 1,868.17

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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.