Home / 7,105.62-10,659.99-2,175.64

Finding the Fourth Proportional to 7,105.62, 10,659.99 and 2,175.64

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Solution

The fourth proportional to 7,105.62, 10,659.99 and 2,175.64 is: 3,263.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105.62 : 10,659.99 = 2,175.64 : x
  2. Step 2: Convert to fraction form
    7,105.62/10,659.99 = 2,175.64/x
  3. Step 3: Cross multiply
    7,105.62x = 10,659.99 × 2,175.64
  4. Step 4: Simplify right side
    7,105.62x = 23,192,300.64
  5. Step 5: Solve for x
    x = 23,192,300.64/7,105.62
  6. Step 6: Final answer
    x = 3,263.94

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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.