Home / 9,108.44-13,659.05-4,427.06

Finding the Fourth Proportional to 9,108.44, 13,659.05 and 4,427.06

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Solution

The fourth proportional to 9,108.44, 13,659.05 and 4,427.06 is: 6,638.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.44 : 13,659.05 = 4,427.06 : x
  2. Step 2: Convert to fraction form
    9,108.44/13,659.05 = 4,427.06/x
  3. Step 3: Cross multiply
    9,108.44x = 13,659.05 × 4,427.06
  4. Step 4: Simplify right side
    9,108.44x = 60,469,343.46
  5. Step 5: Solve for x
    x = 60,469,343.46/9,108.44
  6. Step 6: Final answer
    x = 6,638.83

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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.