Home / 5,469-8,195.40-4,545.60

Finding the Fourth Proportional to 5,469, 8,195.40 and 4,545.60

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Solution

The fourth proportional to 5,469, 8,195.40 and 4,545.60 is: 6,811.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469 : 8,195.40 = 4,545.60 : x
  2. Step 2: Convert to fraction form
    5,469/8,195.40 = 4,545.60/x
  3. Step 3: Cross multiply
    5,469x = 8,195.40 × 4,545.60
  4. Step 4: Simplify right side
    5,469x = 37,253,010.24
  5. Step 5: Solve for x
    x = 37,253,010.24/5,469
  6. Step 6: Final answer
    x = 6,811.67

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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.