Home / 7,134.54-10,687.83-3,378.98

Finding the Fourth Proportional to 7,134.54, 10,687.83 and 3,378.98

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Solution

The fourth proportional to 7,134.54, 10,687.83 and 3,378.98 is: 5,061.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.54 : 10,687.83 = 3,378.98 : x
  2. Step 2: Convert to fraction form
    7,134.54/10,687.83 = 3,378.98/x
  3. Step 3: Cross multiply
    7,134.54x = 10,687.83 × 3,378.98
  4. Step 4: Simplify right side
    7,134.54x = 36,113,910.37
  5. Step 5: Solve for x
    x = 36,113,910.37/7,134.54
  6. Step 6: Final answer
    x = 5,061.84

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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.