Home / 4,871.11-7,305.81-3,110.89

Finding the Fourth Proportional to 4,871.11, 7,305.81 and 3,110.89

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Solution

The fourth proportional to 4,871.11, 7,305.81 and 3,110.89 is: 4,665.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.11 : 7,305.81 = 3,110.89 : x
  2. Step 2: Convert to fraction form
    4,871.11/7,305.81 = 3,110.89/x
  3. Step 3: Cross multiply
    4,871.11x = 7,305.81 × 3,110.89
  4. Step 4: Simplify right side
    4,871.11x = 22,727,571.27
  5. Step 5: Solve for x
    x = 22,727,571.27/4,871.11
  6. Step 6: Final answer
    x = 4,665.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.