Home / 4,747.69-7,121.67-3,665.26

Finding the Fourth Proportional to 4,747.69, 7,121.67 and 3,665.26

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Solution

The fourth proportional to 4,747.69, 7,121.67 and 3,665.26 is: 5,497.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.69 : 7,121.67 = 3,665.26 : x
  2. Step 2: Convert to fraction form
    4,747.69/7,121.67 = 3,665.26/x
  3. Step 3: Cross multiply
    4,747.69x = 7,121.67 × 3,665.26
  4. Step 4: Simplify right side
    4,747.69x = 26,102,772.18
  5. Step 5: Solve for x
    x = 26,102,772.18/4,747.69
  6. Step 6: Final answer
    x = 5,497.99

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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.