Home / 7,996.20-11,972.70-6,268.20

Finding the Fourth Proportional to 7,996.20, 11,972.70 and 6,268.20

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Solution

The fourth proportional to 7,996.20, 11,972.70 and 6,268.20 is: 9,385.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.20 : 11,972.70 = 6,268.20 : x
  2. Step 2: Convert to fraction form
    7,996.20/11,972.70 = 6,268.20/x
  3. Step 3: Cross multiply
    7,996.20x = 11,972.70 × 6,268.20
  4. Step 4: Simplify right side
    7,996.20x = 75,047,278.14
  5. Step 5: Solve for x
    x = 75,047,278.14/7,996.20
  6. Step 6: Final answer
    x = 9,385.37

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1.5x scale

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.