Home / 9,540.78-14,301.40-3,997.35

Finding the Fourth Proportional to 9,540.78, 14,301.40 and 3,997.35

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Solution

The fourth proportional to 9,540.78, 14,301.40 and 3,997.35 is: 5,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,540.78 : 14,301.40 = 3,997.35 : x
  2. Step 2: Convert to fraction form
    9,540.78/14,301.40 = 3,997.35/x
  3. Step 3: Cross multiply
    9,540.78x = 14,301.40 × 3,997.35
  4. Step 4: Simplify right side
    9,540.78x = 57,167,629.78
  5. Step 5: Solve for x
    x = 57,167,629.78/9,540.78
  6. Step 6: Final answer
    x = 5,991.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.