Home / 4,877.94-6,729.34-3,108.44

Finding the Fourth Proportional to 4,877.94, 6,729.34 and 3,108.44

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Solution

The fourth proportional to 4,877.94, 6,729.34 and 3,108.44 is: 4,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.94 : 6,729.34 = 3,108.44 : x
  2. Step 2: Convert to fraction form
    4,877.94/6,729.34 = 3,108.44/x
  3. Step 3: Cross multiply
    4,877.94x = 6,729.34 × 3,108.44
  4. Step 4: Simplify right side
    4,877.94x = 20,917,734.09
  5. Step 5: Solve for x
    x = 20,917,734.09/4,877.94
  6. Step 6: Final answer
    x = 4,288.23

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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.