Home / 7,947.71-11,924.93-3,996.89

Finding the Fourth Proportional to 7,947.71, 11,924.93 and 3,996.89

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Solution

The fourth proportional to 7,947.71, 11,924.93 and 3,996.89 is: 5,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.71 : 11,924.93 = 3,996.89 : x
  2. Step 2: Convert to fraction form
    7,947.71/11,924.93 = 3,996.89/x
  3. Step 3: Cross multiply
    7,947.71x = 11,924.93 × 3,996.89
  4. Step 4: Simplify right side
    7,947.71x = 47,662,553.86
  5. Step 5: Solve for x
    x = 47,662,553.86/7,947.71
  6. Step 6: Final answer
    x = 5,997.02

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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.