Home / 5,718.45-8,579.70-2,794.80

Finding the Fourth Proportional to 5,718.45, 8,579.70 and 2,794.80

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Solution

The fourth proportional to 5,718.45, 8,579.70 and 2,794.80 is: 4,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.45 : 8,579.70 = 2,794.80 : x
  2. Step 2: Convert to fraction form
    5,718.45/8,579.70 = 2,794.80/x
  3. Step 3: Cross multiply
    5,718.45x = 8,579.70 × 2,794.80
  4. Step 4: Simplify right side
    5,718.45x = 23,978,545.56
  5. Step 5: Solve for x
    x = 23,978,545.56/5,718.45
  6. Step 6: Final answer
    x = 4,193.19

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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.