Home / 7,545.70-11,319.90-3,163.60

Finding the Fourth Proportional to 7,545.70, 11,319.90 and 3,163.60

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Solution

The fourth proportional to 7,545.70, 11,319.90 and 3,163.60 is: 4,745.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.70 : 11,319.90 = 3,163.60 : x
  2. Step 2: Convert to fraction form
    7,545.70/11,319.90 = 3,163.60/x
  3. Step 3: Cross multiply
    7,545.70x = 11,319.90 × 3,163.60
  4. Step 4: Simplify right side
    7,545.70x = 35,811,635.64
  5. Step 5: Solve for x
    x = 35,811,635.64/7,545.70
  6. Step 6: Final answer
    x = 4,745.97

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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.