Home / 4,067.21-6,100.81-1,145.51

Finding the Fourth Proportional to 4,067.21, 6,100.81 and 1,145.51

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Solution

The fourth proportional to 4,067.21, 6,100.81 and 1,145.51 is: 1,718.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,067.21 : 6,100.81 = 1,145.51 : x
  2. Step 2: Convert to fraction form
    4,067.21/6,100.81 = 1,145.51/x
  3. Step 3: Cross multiply
    4,067.21x = 6,100.81 × 1,145.51
  4. Step 4: Simplify right side
    4,067.21x = 6,988,505.50
  5. Step 5: Solve for x
    x = 6,988,505.50/4,067.21
  6. Step 6: Final answer
    x = 1,718.26

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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.