Home / 5,718.45-8,574.26-2,205.54

Finding the Fourth Proportional to 5,718.45, 8,574.26 and 2,205.54

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Solution

The fourth proportional to 5,718.45, 8,574.26 and 2,205.54 is: 3,306.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.45 : 8,574.26 = 2,205.54 : x
  2. Step 2: Convert to fraction form
    5,718.45/8,574.26 = 2,205.54/x
  3. Step 3: Cross multiply
    5,718.45x = 8,574.26 × 2,205.54
  4. Step 4: Simplify right side
    5,718.45x = 18,910,874.43
  5. Step 5: Solve for x
    x = 18,910,874.43/5,718.45
  6. Step 6: Final answer
    x = 3,306.99

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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.