Home / 4,105.68-5,664.42-3,161.76

Finding the Fourth Proportional to 4,105.68, 5,664.42 and 3,161.76

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Solution

The fourth proportional to 4,105.68, 5,664.42 and 3,161.76 is: 4,362.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.68 : 5,664.42 = 3,161.76 : x
  2. Step 2: Convert to fraction form
    4,105.68/5,664.42 = 3,161.76/x
  3. Step 3: Cross multiply
    4,105.68x = 5,664.42 × 3,161.76
  4. Step 4: Simplify right side
    4,105.68x = 17,909,536.58
  5. Step 5: Solve for x
    x = 17,909,536.58/4,105.68
  6. Step 6: Final answer
    x = 4,362.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.