Home / 7,838.46-11,758.37-2,571.89

Finding the Fourth Proportional to 7,838.46, 11,758.37 and 2,571.89

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Solution

The fourth proportional to 7,838.46, 11,758.37 and 2,571.89 is: 3,858.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.46 : 11,758.37 = 2,571.89 : x
  2. Step 2: Convert to fraction form
    7,838.46/11,758.37 = 2,571.89/x
  3. Step 3: Cross multiply
    7,838.46x = 11,758.37 × 2,571.89
  4. Step 4: Simplify right side
    7,838.46x = 30,241,234.22
  5. Step 5: Solve for x
    x = 30,241,234.22/7,838.46
  6. Step 6: Final answer
    x = 3,858.06

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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.