Home / 7,249.72-10,859.94-4,778.44

Finding the Fourth Proportional to 7,249.72, 10,859.94 and 4,778.44

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Solution

The fourth proportional to 7,249.72, 10,859.94 and 4,778.44 is: 7,158.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.72 : 10,859.94 = 4,778.44 : x
  2. Step 2: Convert to fraction form
    7,249.72/10,859.94 = 4,778.44/x
  3. Step 3: Cross multiply
    7,249.72x = 10,859.94 × 4,778.44
  4. Step 4: Simplify right side
    7,249.72x = 51,893,571.69
  5. Step 5: Solve for x
    x = 51,893,571.69/7,249.72
  6. Step 6: Final answer
    x = 7,158.01

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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.