Home / 5,108.00-7,048.91-2,869.97

Finding the Fourth Proportional to 5,108.00, 7,048.91 and 2,869.97

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Solution

The fourth proportional to 5,108.00, 7,048.91 and 2,869.97 is: 3,960.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.00 : 7,048.91 = 2,869.97 : x
  2. Step 2: Convert to fraction form
    5,108.00/7,048.91 = 2,869.97/x
  3. Step 3: Cross multiply
    5,108.00x = 7,048.91 × 2,869.97
  4. Step 4: Simplify right side
    5,108.00x = 20,230,132.16
  5. Step 5: Solve for x
    x = 20,230,132.16/5,108.00
  6. Step 6: Final answer
    x = 3,960.48

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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.