Home / 4,278.43-5,900.88-2,786.82

Finding the Fourth Proportional to 4,278.43, 5,900.88 and 2,786.82

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Solution

The fourth proportional to 4,278.43, 5,900.88 and 2,786.82 is: 3,843.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.43 : 5,900.88 = 2,786.82 : x
  2. Step 2: Convert to fraction form
    4,278.43/5,900.88 = 2,786.82/x
  3. Step 3: Cross multiply
    4,278.43x = 5,900.88 × 2,786.82
  4. Step 4: Simplify right side
    4,278.43x = 16,444,690.40
  5. Step 5: Solve for x
    x = 16,444,690.40/4,278.43
  6. Step 6: Final answer
    x = 3,843.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.