Home / 4,286.88-5,910.22-3,090.87

Finding the Fourth Proportional to 4,286.88, 5,910.22 and 3,090.87

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Solution

The fourth proportional to 4,286.88, 5,910.22 and 3,090.87 is: 4,261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.88 : 5,910.22 = 3,090.87 : x
  2. Step 2: Convert to fraction form
    4,286.88/5,910.22 = 3,090.87/x
  3. Step 3: Cross multiply
    4,286.88x = 5,910.22 × 3,090.87
  4. Step 4: Simplify right side
    4,286.88x = 18,267,713.96
  5. Step 5: Solve for x
    x = 18,267,713.96/4,286.88
  6. Step 6: Final answer
    x = 4,261.31

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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.