Home / 6,189.75-9,282.20-2,291.49

Finding the Fourth Proportional to 6,189.75, 9,282.20 and 2,291.49

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Solution

The fourth proportional to 6,189.75, 9,282.20 and 2,291.49 is: 3,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.75 : 9,282.20 = 2,291.49 : x
  2. Step 2: Convert to fraction form
    6,189.75/9,282.20 = 2,291.49/x
  3. Step 3: Cross multiply
    6,189.75x = 9,282.20 × 2,291.49
  4. Step 4: Simplify right side
    6,189.75x = 21,270,057.02
  5. Step 5: Solve for x
    x = 21,270,057.02/6,189.75
  6. Step 6: Final answer
    x = 3,436.34

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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.