Home / 5,694.14-7,855.44-3,455.57

Finding the Fourth Proportional to 5,694.14, 7,855.44 and 3,455.57

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Solution

The fourth proportional to 5,694.14, 7,855.44 and 3,455.57 is: 4,767.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.14 : 7,855.44 = 3,455.57 : x
  2. Step 2: Convert to fraction form
    5,694.14/7,855.44 = 3,455.57/x
  3. Step 3: Cross multiply
    5,694.14x = 7,855.44 × 3,455.57
  4. Step 4: Simplify right side
    5,694.14x = 27,145,022.80
  5. Step 5: Solve for x
    x = 27,145,022.80/5,694.14
  6. Step 6: Final answer
    x = 4,767.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.