Home / 9,105.39-13,657.44-2,531.61

Finding the Fourth Proportional to 9,105.39, 13,657.44 and 2,531.61

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Solution

The fourth proportional to 9,105.39, 13,657.44 and 2,531.61 is: 3,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,105.39 : 13,657.44 = 2,531.61 : x
  2. Step 2: Convert to fraction form
    9,105.39/13,657.44 = 2,531.61/x
  3. Step 3: Cross multiply
    9,105.39x = 13,657.44 × 2,531.61
  4. Step 4: Simplify right side
    9,105.39x = 34,575,311.68
  5. Step 5: Solve for x
    x = 34,575,311.68/9,105.39
  6. Step 6: Final answer
    x = 3,797.24

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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.