Home / 4,429.48-6,105.90-3,721

Finding the Fourth Proportional to 4,429.48, 6,105.90 and 3,721

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Solution

The fourth proportional to 4,429.48, 6,105.90 and 3,721 is: 5,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.48 : 6,105.90 = 3,721 : x
  2. Step 2: Convert to fraction form
    4,429.48/6,105.90 = 3,721/x
  3. Step 3: Cross multiply
    4,429.48x = 6,105.90 × 3,721
  4. Step 4: Simplify right side
    4,429.48x = 22,720,053.90
  5. Step 5: Solve for x
    x = 22,720,053.90/4,429.48
  6. Step 6: Final answer
    x = 5,129.28

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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.