Home / 7,958.30-11,939.45-3,025.25

Finding the Fourth Proportional to 7,958.30, 11,939.45 and 3,025.25

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Solution

The fourth proportional to 7,958.30, 11,939.45 and 3,025.25 is: 4,538.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.30 : 11,939.45 = 3,025.25 : x
  2. Step 2: Convert to fraction form
    7,958.30/11,939.45 = 3,025.25/x
  3. Step 3: Cross multiply
    7,958.30x = 11,939.45 × 3,025.25
  4. Step 4: Simplify right side
    7,958.30x = 36,119,808.08
  5. Step 5: Solve for x
    x = 36,119,808.08/7,958.30
  6. Step 6: Final answer
    x = 4,538.63

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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.