Home / 8,783.38-13,174.89-3,589.30

Finding the Fourth Proportional to 8,783.38, 13,174.89 and 3,589.30

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Solution

The fourth proportional to 8,783.38, 13,174.89 and 3,589.30 is: 5,383.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.38 : 13,174.89 = 3,589.30 : x
  2. Step 2: Convert to fraction form
    8,783.38/13,174.89 = 3,589.30/x
  3. Step 3: Cross multiply
    8,783.38x = 13,174.89 × 3,589.30
  4. Step 4: Simplify right side
    8,783.38x = 47,288,632.68
  5. Step 5: Solve for x
    x = 47,288,632.68/8,783.38
  6. Step 6: Final answer
    x = 5,383.88

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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.