Home / 6,936.24-10,408.48-2,778.24

Finding the Fourth Proportional to 6,936.24, 10,408.48 and 2,778.24

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Solution

The fourth proportional to 6,936.24, 10,408.48 and 2,778.24 is: 4,169.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.24 : 10,408.48 = 2,778.24 : x
  2. Step 2: Convert to fraction form
    6,936.24/10,408.48 = 2,778.24/x
  3. Step 3: Cross multiply
    6,936.24x = 10,408.48 × 2,778.24
  4. Step 4: Simplify right side
    6,936.24x = 28,917,255.48
  5. Step 5: Solve for x
    x = 28,917,255.48/6,936.24
  6. Step 6: Final answer
    x = 4,169.01

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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.