Home / 5,206.26-7,809.42-2,608.62

Finding the Fourth Proportional to 5,206.26, 7,809.42 and 2,608.62

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Solution

The fourth proportional to 5,206.26, 7,809.42 and 2,608.62 is: 3,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.26 : 7,809.42 = 2,608.62 : x
  2. Step 2: Convert to fraction form
    5,206.26/7,809.42 = 2,608.62/x
  3. Step 3: Cross multiply
    5,206.26x = 7,809.42 × 2,608.62
  4. Step 4: Simplify right side
    5,206.26x = 20,371,809.20
  5. Step 5: Solve for x
    x = 20,371,809.20/5,206.26
  6. Step 6: Final answer
    x = 3,912.95

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1.5x scale

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.