Home / 9,105.58-13,649.85-4,170.25

Finding the Fourth Proportional to 9,105.58, 13,649.85 and 4,170.25

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Solution

The fourth proportional to 9,105.58, 13,649.85 and 4,170.25 is: 6,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,105.58 : 13,649.85 = 4,170.25 : x
  2. Step 2: Convert to fraction form
    9,105.58/13,649.85 = 4,170.25/x
  3. Step 3: Cross multiply
    9,105.58x = 13,649.85 × 4,170.25
  4. Step 4: Simplify right side
    9,105.58x = 56,923,286.96
  5. Step 5: Solve for x
    x = 56,923,286.96/9,105.58
  6. Step 6: Final answer
    x = 6,251.47

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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.