Home / 4,065.66-5,611.68-2,806.92

Finding the Fourth Proportional to 4,065.66, 5,611.68 and 2,806.92

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Solution

The fourth proportional to 4,065.66, 5,611.68 and 2,806.92 is: 3,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.66 : 5,611.68 = 2,806.92 : x
  2. Step 2: Convert to fraction form
    4,065.66/5,611.68 = 2,806.92/x
  3. Step 3: Cross multiply
    4,065.66x = 5,611.68 × 2,806.92
  4. Step 4: Simplify right side
    4,065.66x = 15,751,536.83
  5. Step 5: Solve for x
    x = 15,751,536.83/4,065.66
  6. Step 6: Final answer
    x = 3,874.29

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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.