Home / 5,889.72-8,128.41-3,372.06

Finding the Fourth Proportional to 5,889.72, 8,128.41 and 3,372.06

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Solution

The fourth proportional to 5,889.72, 8,128.41 and 3,372.06 is: 4,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,889.72 : 8,128.41 = 3,372.06 : x
  2. Step 2: Convert to fraction form
    5,889.72/8,128.41 = 3,372.06/x
  3. Step 3: Cross multiply
    5,889.72x = 8,128.41 × 3,372.06
  4. Step 4: Simplify right side
    5,889.72x = 27,409,486.22
  5. Step 5: Solve for x
    x = 27,409,486.22/5,889.72
  6. Step 6: Final answer
    x = 4,653.78

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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.