Home / 4,085.99-5,636.91-3,198.23

Finding the Fourth Proportional to 4,085.99, 5,636.91 and 3,198.23

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Solution

The fourth proportional to 4,085.99, 5,636.91 and 3,198.23 is: 4,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.99 : 5,636.91 = 3,198.23 : x
  2. Step 2: Convert to fraction form
    4,085.99/5,636.91 = 3,198.23/x
  3. Step 3: Cross multiply
    4,085.99x = 5,636.91 × 3,198.23
  4. Step 4: Simplify right side
    4,085.99x = 18,028,090.49
  5. Step 5: Solve for x
    x = 18,028,090.49/4,085.99
  6. Step 6: Final answer
    x = 4,412.18

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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.