Home / 5,915.36-8,163.60-3,431.36

Finding the Fourth Proportional to 5,915.36, 8,163.60 and 3,431.36

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Solution

The fourth proportional to 5,915.36, 8,163.60 and 3,431.36 is: 4,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.36 : 8,163.60 = 3,431.36 : x
  2. Step 2: Convert to fraction form
    5,915.36/8,163.60 = 3,431.36/x
  3. Step 3: Cross multiply
    5,915.36x = 8,163.60 × 3,431.36
  4. Step 4: Simplify right side
    5,915.36x = 28,012,250.50
  5. Step 5: Solve for x
    x = 28,012,250.50/5,915.36
  6. Step 6: Final answer
    x = 4,735.51

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