Home / 7,996.40-11,993.52-2,153.36

Finding the Fourth Proportional to 7,996.40, 11,993.52 and 2,153.36

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Solution

The fourth proportional to 7,996.40, 11,993.52 and 2,153.36 is: 3,229.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.40 : 11,993.52 = 2,153.36 : x
  2. Step 2: Convert to fraction form
    7,996.40/11,993.52 = 2,153.36/x
  3. Step 3: Cross multiply
    7,996.40x = 11,993.52 × 2,153.36
  4. Step 4: Simplify right side
    7,996.40x = 25,826,366.23
  5. Step 5: Solve for x
    x = 25,826,366.23/7,996.40
  6. Step 6: Final answer
    x = 3,229.75

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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.