Home / 5,912.71-8,157.24-3,393.90

Finding the Fourth Proportional to 5,912.71, 8,157.24 and 3,393.90

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Solution

The fourth proportional to 5,912.71, 8,157.24 and 3,393.90 is: 4,682.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.71 : 8,157.24 = 3,393.90 : x
  2. Step 2: Convert to fraction form
    5,912.71/8,157.24 = 3,393.90/x
  3. Step 3: Cross multiply
    5,912.71x = 8,157.24 × 3,393.90
  4. Step 4: Simplify right side
    5,912.71x = 27,684,856.84
  5. Step 5: Solve for x
    x = 27,684,856.84/5,912.71
  6. Step 6: Final answer
    x = 4,682.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.