Home / 4,087.89-5,644.16-3,192.64

Finding the Fourth Proportional to 4,087.89, 5,644.16 and 3,192.64

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Solution

The fourth proportional to 4,087.89, 5,644.16 and 3,192.64 is: 4,408.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.89 : 5,644.16 = 3,192.64 : x
  2. Step 2: Convert to fraction form
    4,087.89/5,644.16 = 3,192.64/x
  3. Step 3: Cross multiply
    4,087.89x = 5,644.16 × 3,192.64
  4. Step 4: Simplify right side
    4,087.89x = 18,019,770.98
  5. Step 5: Solve for x
    x = 18,019,770.98/4,087.89
  6. Step 6: Final answer
    x = 4,408.09

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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.