Home / 4,286.88-5,912.62-3,690.35

Finding the Fourth Proportional to 4,286.88, 5,912.62 and 3,690.35

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Solution

The fourth proportional to 4,286.88, 5,912.62 and 3,690.35 is: 5,089.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.88 : 5,912.62 = 3,690.35 : x
  2. Step 2: Convert to fraction form
    4,286.88/5,912.62 = 3,690.35/x
  3. Step 3: Cross multiply
    4,286.88x = 5,912.62 × 3,690.35
  4. Step 4: Simplify right side
    4,286.88x = 21,819,637.22
  5. Step 5: Solve for x
    x = 21,819,637.22/4,286.88
  6. Step 6: Final answer
    x = 5,089.87

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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.