Home / 4,871.08-6,717.67-3,191.87

Finding the Fourth Proportional to 4,871.08, 6,717.67 and 3,191.87

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Solution

The fourth proportional to 4,871.08, 6,717.67 and 3,191.87 is: 4,401.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.08 : 6,717.67 = 3,191.87 : x
  2. Step 2: Convert to fraction form
    4,871.08/6,717.67 = 3,191.87/x
  3. Step 3: Cross multiply
    4,871.08x = 6,717.67 × 3,191.87
  4. Step 4: Simplify right side
    4,871.08x = 21,441,912.55
  5. Step 5: Solve for x
    x = 21,441,912.55/4,871.08
  6. Step 6: Final answer
    x = 4,401.88

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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.