Home / 4,511.26-6,767.66-1,391.21

Finding the Fourth Proportional to 4,511.26, 6,767.66 and 1,391.21

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Solution

The fourth proportional to 4,511.26, 6,767.66 and 1,391.21 is: 2,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,511.26 : 6,767.66 = 1,391.21 : x
  2. Step 2: Convert to fraction form
    4,511.26/6,767.66 = 1,391.21/x
  3. Step 3: Cross multiply
    4,511.26x = 6,767.66 × 1,391.21
  4. Step 4: Simplify right side
    4,511.26x = 9,415,231.29
  5. Step 5: Solve for x
    x = 9,415,231.29/4,511.26
  6. Step 6: Final answer
    x = 2,087.05

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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.