Home / 9,540.33-14,313.06-3,990.75

Finding the Fourth Proportional to 9,540.33, 14,313.06 and 3,990.75

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Solution

The fourth proportional to 9,540.33, 14,313.06 and 3,990.75 is: 5,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,540.33 : 14,313.06 = 3,990.75 : x
  2. Step 2: Convert to fraction form
    9,540.33/14,313.06 = 3,990.75/x
  3. Step 3: Cross multiply
    9,540.33x = 14,313.06 × 3,990.75
  4. Step 4: Simplify right side
    9,540.33x = 57,119,844.20
  5. Step 5: Solve for x
    x = 57,119,844.20/9,540.33
  6. Step 6: Final answer
    x = 5,987.20

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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.