Home / 7,105.80-10,659.62-3,814.36

Finding the Fourth Proportional to 7,105.80, 10,659.62 and 3,814.36

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Solution

The fourth proportional to 7,105.80, 10,659.62 and 3,814.36 is: 5,722.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105.80 : 10,659.62 = 3,814.36 : x
  2. Step 2: Convert to fraction form
    7,105.80/10,659.62 = 3,814.36/x
  3. Step 3: Cross multiply
    7,105.80x = 10,659.62 × 3,814.36
  4. Step 4: Simplify right side
    7,105.80x = 40,659,628.14
  5. Step 5: Solve for x
    x = 40,659,628.14/7,105.80
  6. Step 6: Final answer
    x = 5,722.03

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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.