Home / 7,996.45-11,979.09-4,868.70

Finding the Fourth Proportional to 7,996.45, 11,979.09 and 4,868.70

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Solution

The fourth proportional to 7,996.45, 11,979.09 and 4,868.70 is: 7,293.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.45 : 11,979.09 = 4,868.70 : x
  2. Step 2: Convert to fraction form
    7,996.45/11,979.09 = 4,868.70/x
  3. Step 3: Cross multiply
    7,996.45x = 11,979.09 × 4,868.70
  4. Step 4: Simplify right side
    7,996.45x = 58,322,595.48
  5. Step 5: Solve for x
    x = 58,322,595.48/7,996.45
  6. Step 6: Final answer
    x = 7,293.56

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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.