Home / 9,161.37-13,735.89-4,228.29

Finding the Fourth Proportional to 9,161.37, 13,735.89 and 4,228.29

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Solution

The fourth proportional to 9,161.37, 13,735.89 and 4,228.29 is: 6,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.37 : 13,735.89 = 4,228.29 : x
  2. Step 2: Convert to fraction form
    9,161.37/13,735.89 = 4,228.29/x
  3. Step 3: Cross multiply
    9,161.37x = 13,735.89 × 4,228.29
  4. Step 4: Simplify right side
    9,161.37x = 58,079,326.33
  5. Step 5: Solve for x
    x = 58,079,326.33/9,161.37
  6. Step 6: Final answer
    x = 6,339.59

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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.