Home / 4,747.38-7,124.30-1,669.38

Finding the Fourth Proportional to 4,747.38, 7,124.30 and 1,669.38

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Solution

The fourth proportional to 4,747.38, 7,124.30 and 1,669.38 is: 2,505.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.38 : 7,124.30 = 1,669.38 : x
  2. Step 2: Convert to fraction form
    4,747.38/7,124.30 = 1,669.38/x
  3. Step 3: Cross multiply
    4,747.38x = 7,124.30 × 1,669.38
  4. Step 4: Simplify right side
    4,747.38x = 11,893,163.93
  5. Step 5: Solve for x
    x = 11,893,163.93/4,747.38
  6. Step 6: Final answer
    x = 2,505.21

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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.