Home / 5,288.89-7,932.85-3,208.27

Finding the Fourth Proportional to 5,288.89, 7,932.85 and 3,208.27

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Solution

The fourth proportional to 5,288.89, 7,932.85 and 3,208.27 is: 4,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.89 : 7,932.85 = 3,208.27 : x
  2. Step 2: Convert to fraction form
    5,288.89/7,932.85 = 3,208.27/x
  3. Step 3: Cross multiply
    5,288.89x = 7,932.85 × 3,208.27
  4. Step 4: Simplify right side
    5,288.89x = 25,450,724.67
  5. Step 5: Solve for x
    x = 25,450,724.67/5,288.89
  6. Step 6: Final answer
    x = 4,812.11

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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.