Home / 4,975.45-6,863.50-3,086.44

Finding the Fourth Proportional to 4,975.45, 6,863.50 and 3,086.44

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Solution

The fourth proportional to 4,975.45, 6,863.50 and 3,086.44 is: 4,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.45 : 6,863.50 = 3,086.44 : x
  2. Step 2: Convert to fraction form
    4,975.45/6,863.50 = 3,086.44/x
  3. Step 3: Cross multiply
    4,975.45x = 6,863.50 × 3,086.44
  4. Step 4: Simplify right side
    4,975.45x = 21,183,780.94
  5. Step 5: Solve for x
    x = 21,183,780.94/4,975.45
  6. Step 6: Final answer
    x = 4,257.66

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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.