Home / 4,090.92-5,643.72-3,203.16

Finding the Fourth Proportional to 4,090.92, 5,643.72 and 3,203.16

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Solution

The fourth proportional to 4,090.92, 5,643.72 and 3,203.16 is: 4,418.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.92 : 5,643.72 = 3,203.16 : x
  2. Step 2: Convert to fraction form
    4,090.92/5,643.72 = 3,203.16/x
  3. Step 3: Cross multiply
    4,090.92x = 5,643.72 × 3,203.16
  4. Step 4: Simplify right side
    4,090.92x = 18,077,738.16
  5. Step 5: Solve for x
    x = 18,077,738.16/4,090.92
  6. Step 6: Final answer
    x = 4,418.99

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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.