Home / 5,355.81-7,391.09-2,997.97

Finding the Fourth Proportional to 5,355.81, 7,391.09 and 2,997.97

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Solution

The fourth proportional to 5,355.81, 7,391.09 and 2,997.97 is: 4,137.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.81 : 7,391.09 = 2,997.97 : x
  2. Step 2: Convert to fraction form
    5,355.81/7,391.09 = 2,997.97/x
  3. Step 3: Cross multiply
    5,355.81x = 7,391.09 × 2,997.97
  4. Step 4: Simplify right side
    5,355.81x = 22,158,255.10
  5. Step 5: Solve for x
    x = 22,158,255.10/5,355.81
  6. Step 6: Final answer
    x = 4,137.24

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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.