Home / 9,003.91-13,502.75-3,380.59

Finding the Fourth Proportional to 9,003.91, 13,502.75 and 3,380.59

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Solution

The fourth proportional to 9,003.91, 13,502.75 and 3,380.59 is: 5,069.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,003.91 : 13,502.75 = 3,380.59 : x
  2. Step 2: Convert to fraction form
    9,003.91/13,502.75 = 3,380.59/x
  3. Step 3: Cross multiply
    9,003.91x = 13,502.75 × 3,380.59
  4. Step 4: Simplify right side
    9,003.91x = 45,647,204.66
  5. Step 5: Solve for x
    x = 45,647,204.66/9,003.91
  6. Step 6: Final answer
    x = 5,069.71

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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.