Home / 4,761.84-7,135.44-2,811.96

Finding the Fourth Proportional to 4,761.84, 7,135.44 and 2,811.96

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Solution

The fourth proportional to 4,761.84, 7,135.44 and 2,811.96 is: 4,213.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.84 : 7,135.44 = 2,811.96 : x
  2. Step 2: Convert to fraction form
    4,761.84/7,135.44 = 2,811.96/x
  3. Step 3: Cross multiply
    4,761.84x = 7,135.44 × 2,811.96
  4. Step 4: Simplify right side
    4,761.84x = 20,064,571.86
  5. Step 5: Solve for x
    x = 20,064,571.86/4,761.84
  6. Step 6: Final answer
    x = 4,213.62

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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.