Home / 4,832.45-7,249.79-1,910.78

Finding the Fourth Proportional to 4,832.45, 7,249.79 and 1,910.78

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Solution

The fourth proportional to 4,832.45, 7,249.79 and 1,910.78 is: 2,866.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,832.45 : 7,249.79 = 1,910.78 : x
  2. Step 2: Convert to fraction form
    4,832.45/7,249.79 = 1,910.78/x
  3. Step 3: Cross multiply
    4,832.45x = 7,249.79 × 1,910.78
  4. Step 4: Simplify right side
    4,832.45x = 13,852,753.74
  5. Step 5: Solve for x
    x = 13,852,753.74/4,832.45
  6. Step 6: Final answer
    x = 2,866.61

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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.