Home / 8,167.28-11,271.99-5,905.97

Finding the Fourth Proportional to 8,167.28, 11,271.99 and 5,905.97

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Solution

The fourth proportional to 8,167.28, 11,271.99 and 5,905.97 is: 8,151.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.28 : 11,271.99 = 5,905.97 : x
  2. Step 2: Convert to fraction form
    8,167.28/11,271.99 = 5,905.97/x
  3. Step 3: Cross multiply
    8,167.28x = 11,271.99 × 5,905.97
  4. Step 4: Simplify right side
    8,167.28x = 66,571,978.42
  5. Step 5: Solve for x
    x = 66,571,978.42/8,167.28
  6. Step 6: Final answer
    x = 8,151.06

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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.