Home / 5,744.26-8,616.44-3,145.78

Finding the Fourth Proportional to 5,744.26, 8,616.44 and 3,145.78

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Solution

The fourth proportional to 5,744.26, 8,616.44 and 3,145.78 is: 4,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,744.26 : 8,616.44 = 3,145.78 : x
  2. Step 2: Convert to fraction form
    5,744.26/8,616.44 = 3,145.78/x
  3. Step 3: Cross multiply
    5,744.26x = 8,616.44 × 3,145.78
  4. Step 4: Simplify right side
    5,744.26x = 27,105,424.62
  5. Step 5: Solve for x
    x = 27,105,424.62/5,744.26
  6. Step 6: Final answer
    x = 4,718.70

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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.