Home / 6,936.80-10,408.97-2,553.62

Finding the Fourth Proportional to 6,936.80, 10,408.97 and 2,553.62

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Solution

The fourth proportional to 6,936.80, 10,408.97 and 2,553.62 is: 3,831.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.80 : 10,408.97 = 2,553.62 : x
  2. Step 2: Convert to fraction form
    6,936.80/10,408.97 = 2,553.62/x
  3. Step 3: Cross multiply
    6,936.80x = 10,408.97 × 2,553.62
  4. Step 4: Simplify right side
    6,936.80x = 26,580,489.16
  5. Step 5: Solve for x
    x = 26,580,489.16/6,936.80
  6. Step 6: Final answer
    x = 3,831.81

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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.