Home / 5,189.80-7,165.62-3,203.04

Finding the Fourth Proportional to 5,189.80, 7,165.62 and 3,203.04

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Solution

The fourth proportional to 5,189.80, 7,165.62 and 3,203.04 is: 4,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.80 : 7,165.62 = 3,203.04 : x
  2. Step 2: Convert to fraction form
    5,189.80/7,165.62 = 3,203.04/x
  3. Step 3: Cross multiply
    5,189.80x = 7,165.62 × 3,203.04
  4. Step 4: Simplify right side
    5,189.80x = 22,951,767.48
  5. Step 5: Solve for x
    x = 22,951,767.48/5,189.80
  6. Step 6: Final answer
    x = 4,422.48

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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.