Home / 5,915.70-8,163.63-3,263.09

Finding the Fourth Proportional to 5,915.70, 8,163.63 and 3,263.09

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Solution

The fourth proportional to 5,915.70, 8,163.63 and 3,263.09 is: 4,503.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.70 : 8,163.63 = 3,263.09 : x
  2. Step 2: Convert to fraction form
    5,915.70/8,163.63 = 3,263.09/x
  3. Step 3: Cross multiply
    5,915.70x = 8,163.63 × 3,263.09
  4. Step 4: Simplify right side
    5,915.70x = 26,638,618.60
  5. Step 5: Solve for x
    x = 26,638,618.60/5,915.70
  6. Step 6: Final answer
    x = 4,503.04

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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.