Home / 7,975.13-11,967.10-3,294.05

Finding the Fourth Proportional to 7,975.13, 11,967.10 and 3,294.05

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Solution

The fourth proportional to 7,975.13, 11,967.10 and 3,294.05 is: 4,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.13 : 11,967.10 = 3,294.05 : x
  2. Step 2: Convert to fraction form
    7,975.13/11,967.10 = 3,294.05/x
  3. Step 3: Cross multiply
    7,975.13x = 11,967.10 × 3,294.05
  4. Step 4: Simplify right side
    7,975.13x = 39,420,157.68
  5. Step 5: Solve for x
    x = 39,420,157.68/7,975.13
  6. Step 6: Final answer
    x = 4,942.89

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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.