Home / 4,912.02-7,361.15-3,811.30

Finding the Fourth Proportional to 4,912.02, 7,361.15 and 3,811.30

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Solution

The fourth proportional to 4,912.02, 7,361.15 and 3,811.30 is: 5,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.02 : 7,361.15 = 3,811.30 : x
  2. Step 2: Convert to fraction form
    4,912.02/7,361.15 = 3,811.30/x
  3. Step 3: Cross multiply
    4,912.02x = 7,361.15 × 3,811.30
  4. Step 4: Simplify right side
    4,912.02x = 28,055,551.00
  5. Step 5: Solve for x
    x = 28,055,551.00/4,912.02
  6. Step 6: Final answer
    x = 5,711.61

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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.