Home / 5,915.24-8,163.61-4,420.57

Finding the Fourth Proportional to 5,915.24, 8,163.61 and 4,420.57

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Solution

The fourth proportional to 5,915.24, 8,163.61 and 4,420.57 is: 6,100.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.24 : 8,163.61 = 4,420.57 : x
  2. Step 2: Convert to fraction form
    5,915.24/8,163.61 = 4,420.57/x
  3. Step 3: Cross multiply
    5,915.24x = 8,163.61 × 4,420.57
  4. Step 4: Simplify right side
    5,915.24x = 36,087,778.00
  5. Step 5: Solve for x
    x = 36,087,778.00/5,915.24
  6. Step 6: Final answer
    x = 6,100.81

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1.5x scale

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.