FACHNUO 2 Feet Portable Wheelchair Ramp, Non-Skid Aluminum Handicap Ramps with Handle, Folding Threshold Wheel Chair Ramp for Home Steps, Stairs, Entry, Doorways, Applicable Height 2-6 inches

You have one more easy option. On Amazon they have Portable Ramps for wheelchairs. The prices vary from $85 to $280 And the reviews are almost 5 stars Here’s the link to one of them https://a.co/d/04n5AxQ3