Home / 4,113.23-5,671.26-2,855.34

Finding the Fourth Proportional to 4,113.23, 5,671.26 and 2,855.34

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Solution

The fourth proportional to 4,113.23, 5,671.26 and 2,855.34 is: 3,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.23 : 5,671.26 = 2,855.34 : x
  2. Step 2: Convert to fraction form
    4,113.23/5,671.26 = 2,855.34/x
  3. Step 3: Cross multiply
    4,113.23x = 5,671.26 × 2,855.34
  4. Step 4: Simplify right side
    4,113.23x = 16,193,375.53
  5. Step 5: Solve for x
    x = 16,193,375.53/4,113.23
  6. Step 6: Final answer
    x = 3,936.90

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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.