Home / 7,993.49-11,988.41-2,150.55

Finding the Fourth Proportional to 7,993.49, 11,988.41 and 2,150.55

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Solution

The fourth proportional to 7,993.49, 11,988.41 and 2,150.55 is: 3,225.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.49 : 11,988.41 = 2,150.55 : x
  2. Step 2: Convert to fraction form
    7,993.49/11,988.41 = 2,150.55/x
  3. Step 3: Cross multiply
    7,993.49x = 11,988.41 × 2,150.55
  4. Step 4: Simplify right side
    7,993.49x = 25,781,664.37
  5. Step 5: Solve for x
    x = 25,781,664.37/7,993.49
  6. Step 6: Final answer
    x = 3,225.33

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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.