Home / 5,081.94-7,617.65-2,611.26

Finding the Fourth Proportional to 5,081.94, 7,617.65 and 2,611.26

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Solution

The fourth proportional to 5,081.94, 7,617.65 and 2,611.26 is: 3,914.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.94 : 7,617.65 = 2,611.26 : x
  2. Step 2: Convert to fraction form
    5,081.94/7,617.65 = 2,611.26/x
  3. Step 3: Cross multiply
    5,081.94x = 7,617.65 × 2,611.26
  4. Step 4: Simplify right side
    5,081.94x = 19,891,651.68
  5. Step 5: Solve for x
    x = 19,891,651.68/5,081.94
  6. Step 6: Final answer
    x = 3,914.18

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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.