A docking station cannot add support for that which the system has none.  This system can only output an FHD (1920X1080) resolution -- if you plan to run a 4K monitor (even more, two of them) -- you need a much more capable notebook computer.  The system you have  cannot. Specifications for your system here: [URL]  
Which docking station works best with a Dell Inspiron 15 3510 that will allow 4K resolution for dual monitors?
Dell Inspiron 15 3510 docking station