Home / 6,189.89-9,289.43-3,853.30

Finding the Fourth Proportional to 6,189.89, 9,289.43 and 3,853.30

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Solution

The fourth proportional to 6,189.89, 9,289.43 and 3,853.30 is: 5,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.89 : 9,289.43 = 3,853.30 : x
  2. Step 2: Convert to fraction form
    6,189.89/9,289.43 = 3,853.30/x
  3. Step 3: Cross multiply
    6,189.89x = 9,289.43 × 3,853.30
  4. Step 4: Simplify right side
    6,189.89x = 35,794,945.54
  5. Step 5: Solve for x
    x = 35,794,945.54/6,189.89
  6. Step 6: Final answer
    x = 5,782.80

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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.